Sindbad~EG File Manager
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</td></tr></table><table id="gradientTable"><tr><td class="nsrBottom" background="../icons/gradient.gif" /></tr></table></div><div id="mainSection"><div id="mainBody"><div id="allHistory" class="saveHistory" onsave="saveAll()" onload="loadAll()" /><span style="color: DarkGray"> </span><p /><p>The <a href="T_BerkeleyDB_DatabaseEnvironment.htm">DatabaseEnvironment</a> type exposes the following members.</p><h1 class="heading"><span onclick="ExpandCollapse(methodTableToggle)" style="cursor:default;" onkeypress="ExpandCollapse_CheckKey(methodTableToggle, event)" tabindex="0"><img id="methodTableToggle" class="toggle" name="toggleSwitch" src="../icons/collapse_all.gif" />Methods</span></h1><div id="methodTableSection" class="section" name="collapseableSection" style=""><table id="memberList" class="members" frame="lhs" cellpadding="2"><col width="10%" /><tr><th class="iconColumn">
</th><th class="nameColumn">Name</th><th class="descriptionColumn">Description</th></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="M_BerkeleyDB_DatabaseEnvironment_ArchivableDatabaseFiles.htm">ArchivableDatabaseFiles</a></td><td><div class="summary">
The database files that need to be archived in order to recover the
database from catastrophic failure. Database files that have not been
accessed during the lifetime of the current log files
are not included in this list. It is also possible that some
of the files referred to by the log have since been deleted from the
system.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="M_BerkeleyDB_DatabaseEnvironment_ArchivableLogFiles.htm">ArchivableLogFiles</a></td><td><div class="summary">
The names of all of the log files that are no longer in use (for
example, that are no longer involved in active transactions), and
that may safely be archived for catastrophic recovery and then
removed from the system.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="M_BerkeleyDB_DatabaseEnvironment_Backup.htm">Backup</a></td><td><div class="summary">
Perform a hot back up of the open environment.
<p>
All files used by the environment are backed up, so long as the
normal rules for file placement are followed. For information on how
files are normally placed relative to the environment directory, see
the "Berkeley DB File Naming" section in the Berkeley DB Reference
Guide.
</p><p>
By default, data directories and the log directory specified
relative to the home directory are recreated relative to the
target directory. If absolute path names are used, then use the
<a href="F_BerkeleyDB_BackupOptions_SingleDir.htm">SingleDir</a> method.
</p><p>
This method provides the same functionality as the db_hotbackup
utility. However, this method does not perform the housekeeping
actions performed by that utility. In particular, you may want to
run a checkpoint before calling this method. To run a checkpoint,
use the <a href="M_BerkeleyDB_DatabaseEnvironment_Checkpoint.htm">Checkpoint<span class="languageSpecificText"><span class="cs">()</span><span class="cpp">()</span><span class="nu">()</span></span></a> method. For
more information on checkpoints, see the "Checkpoint" section in the
Berkeley DB Reference Guide.
</p><p>
To back up a single database file within the environment, use the
<a href="M_BerkeleyDB_DatabaseEnvironment_BackupDatabase.htm">BackupDatabase(String, String, Boolean)</a> method.
</p><p>
In addition to the configuration options available using the
<a href="T_BerkeleyDB_BackupOptions.htm">BackupOptions</a> class, additional tuning modifications
can be made using the <a href="P_BerkeleyDB_DatabaseEnvironment_BackupReadCount.htm">BackupReadCount</a>,
<a href="P_BerkeleyDB_DatabaseEnvironment_BackupReadSleepDuration.htm">BackupReadSleepDuration</a>,
<a href="P_BerkeleyDB_DatabaseEnvironment_BackupBufferSize.htm">BackupBufferSize</a>, and
<a href="P_BerkeleyDB_DatabaseEnvironment_BackupWriteDirect.htm">BackupWriteDirect</a> properties.
Alternatively, you can write your own custom hot back up facility
using the <a href="T_BerkeleyDB_IBackup.htm">IBackup</a> interface.
</p></div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="M_BerkeleyDB_DatabaseEnvironment_BackupDatabase.htm">BackupDatabase</a></td><td><div class="summary">
Perform a hot back up of a single database file contained within the
environment.
<p>
To back up the entire environment, use the
<a href="M_BerkeleyDB_DatabaseEnvironment_Backup.htm">Backup(String, BackupOptions)</a> method.
</p><p>
You can make some tuning modifications to the backup process using
the <a href="P_BerkeleyDB_DatabaseEnvironment_BackupReadCount.htm">BackupReadCount</a>,
<a href="P_BerkeleyDB_DatabaseEnvironment_BackupReadSleepDuration.htm">BackupReadSleepDuration</a>,
<a href="P_BerkeleyDB_DatabaseEnvironment_BackupBufferSize.htm">BackupBufferSize</a>, and
<a href="P_BerkeleyDB_DatabaseEnvironment_BackupWriteDirect.htm">BackupWriteDirect</a> properties.
Alternatively, you can write your own custom hot back up facility
using the <a href="T_BerkeleyDB_IBackup.htm">IBackup</a> interface.
</p></div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="M_BerkeleyDB_DatabaseEnvironment_BeginCDSGroup.htm">BeginCDSGroup</a></td><td><div class="summary">
Allocate a locker ID in an environment configured for Berkeley DB
Concurrent Data Store applications.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="Overload_BerkeleyDB_DatabaseEnvironment_BeginTransaction.htm">BeginTransaction</a></td><td>Overloaded. </td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="Overload_BerkeleyDB_DatabaseEnvironment_Checkpoint.htm">Checkpoint</a></td><td>Overloaded. </td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="M_BerkeleyDB_DatabaseEnvironment_Close.htm">Close</a></td><td><div class="summary">
By closing the Berkeley DB environment you can free allocated resources
and close any open databases along with the underlying subsystems.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="M_BerkeleyDB_DatabaseEnvironment_CloseForceSync.htm">CloseForceSync</a></td><td><div class="summary">
Close the Berkeley DB environment, freeing any allocated resources,
closing any open databases as well as underlying subsystems.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="M_BerkeleyDB_DatabaseEnvironment_CloseForceSyncAndForceSyncEnv.htm">CloseForceSyncAndForceSyncEnv</a></td><td><div class="summary">
Close the Berkeley DB environment, freeing any allocated resources,
closing any open databases as well as underlying subsystems.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="M_BerkeleyDB_DatabaseEnvironment_CloseForceSyncEnv.htm">CloseForceSyncEnv</a></td><td><div class="summary">
Close the Berkeley DB environment, freeing any allocated resources,
closing any open databases as well as underlying subsystems.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="M_BerkeleyDB_DatabaseEnvironment_DetectDeadlocks.htm">DetectDeadlocks</a></td><td><div class="summary">
Run one iteration of the deadlock detector. The deadlock detector
traverses the lock table and marks one of the participating lock
requesters for rejection in each deadlock it finds.
</div></td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="http://msdn2.microsoft.com/en-us/library/bsc2ak47" target="_blank">Equals</a></td><td><div class="summary">
Determines whether the specified <a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">Object</a> is equal to the current <a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">Object</a>.
</div> (Inherited from <a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">Object</a>.)</td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="M_BerkeleyDB_DatabaseEnvironment_FailCheck.htm">FailCheck</a></td><td><div class="summary">
Check for threads of control (either a true thread or a process)
that have exited while manipulating Berkeley DB library data
structures, while holding a logical database lock, or with an
unresolved transaction (that is, a transaction that was never
aborted or committed).
</div></td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="http://msdn2.microsoft.com/en-us/library/zdee4b3y" target="_blank">GetHashCode</a></td><td><div class="summary">
Serves as a hash function for a particular type.
</div> (Inherited from <a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">Object</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="http://msdn2.microsoft.com/en-us/library/dfwy45w9" target="_blank">GetType</a></td><td><div class="summary">
Gets the <a href="http://msdn2.microsoft.com/en-us/library/42892f65" target="_blank">Type</a> of the current instance.
</div> (Inherited from <a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">Object</a>.)</td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="M_BerkeleyDB_DatabaseEnvironment_IsTransactionApplied.htm">IsTransactionApplied</a></td><td><div class="summary">
This method checks to see if a specified transaction has been replicated from
the master of a replication group. It may be called by applications using either
the Base API or the Replication Manager.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="Overload_BerkeleyDB_DatabaseEnvironment_LockingSystemStats.htm">LockingSystemStats</a></td><td>Overloaded. </td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="M_BerkeleyDB_DatabaseEnvironment_LogFile.htm">LogFile</a></td><td><div class="summary">
Map an LSN object to a log filename
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="M_BerkeleyDB_DatabaseEnvironment_LogFiles.htm">LogFiles</a></td><td><div class="summary">
The names of all of the log files
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="Overload_BerkeleyDB_DatabaseEnvironment_LogFlush.htm">LogFlush</a></td><td>Overloaded. </td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="Overload_BerkeleyDB_DatabaseEnvironment_LoggingSystemStats.htm">LoggingSystemStats</a></td><td>Overloaded. </td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="M_BerkeleyDB_DatabaseEnvironment_LogVerify.htm">LogVerify</a></td><td><div class="summary">
Verify log records of this environment.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="M_BerkeleyDB_DatabaseEnvironment_LogWrite.htm">LogWrite</a></td><td><div class="summary">
Append a record to the log
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="Overload_BerkeleyDB_DatabaseEnvironment_MPoolSystemStats.htm">MPoolSystemStats</a></td><td>Overloaded. </td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="Overload_BerkeleyDB_DatabaseEnvironment_MutexSystemStats.htm">MutexSystemStats</a></td><td>Overloaded. </td></tr><tr data="public;static;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /><img src="../icons/static.gif" title="Static member" /></td><td><a href="M_BerkeleyDB_DatabaseEnvironment_Open.htm">Open</a></td><td><div class="summary">
Instantiate a new DatabaseEnvironment object and open the Berkeley
DB environment represented by <span class="parameter">home</span>.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="M_BerkeleyDB_DatabaseEnvironment_Panic.htm">Panic</a></td><td><div class="summary">
Set the panic state for the database environment. (Database
environments in a panic state normally refuse all attempts to call
Berkeley DB functions, throwing <a href="T_BerkeleyDB_RunRecoveryException.htm">RunRecoveryException</a>.)
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="Overload_BerkeleyDB_DatabaseEnvironment_PrintLockingSystemStats.htm">PrintLockingSystemStats</a></td><td>Overloaded. </td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="Overload_BerkeleyDB_DatabaseEnvironment_PrintLoggingSystemStats.htm">PrintLoggingSystemStats</a></td><td>Overloaded. </td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="Overload_BerkeleyDB_DatabaseEnvironment_PrintMPoolSystemStats.htm">PrintMPoolSystemStats</a></td><td>Overloaded. </td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="Overload_BerkeleyDB_DatabaseEnvironment_PrintMutexSystemStats.htm">PrintMutexSystemStats</a></td><td>Overloaded. </td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="Overload_BerkeleyDB_DatabaseEnvironment_PrintReplicationSystemStats.htm">PrintReplicationSystemStats</a></td><td>Overloaded. </td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="Overload_BerkeleyDB_DatabaseEnvironment_PrintRepMgrSystemStats.htm">PrintRepMgrSystemStats</a></td><td>Overloaded. </td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="Overload_BerkeleyDB_DatabaseEnvironment_PrintStats.htm">PrintStats</a></td><td>Overloaded. </td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="Overload_BerkeleyDB_DatabaseEnvironment_PrintSubsystemStats.htm">PrintSubsystemStats</a></td><td>Overloaded. </td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="Overload_BerkeleyDB_DatabaseEnvironment_PrintTransactionSystemStats.htm">PrintTransactionSystemStats</a></td><td>Overloaded. </td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="M_BerkeleyDB_DatabaseEnvironment_Recover.htm">Recover</a></td><td><div class="summary">
Restore transactions that were prepared, but not yet resolved at the
time of the system shut down or crash, to their state prior to the
shut down or crash, including any locks previously held.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="M_BerkeleyDB_DatabaseEnvironment_RegionSetMemoryLimit.htm">RegionSetMemoryLimit</a></td><td><div class="summary">
The amount of memory to be used by shared structures in the main
environment region. These are structures other than mutexes and
the page cache (memory pool).
</div></td></tr><tr data="public;static;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /><img src="../icons/static.gif" title="Static member" /></td><td><a href="Overload_BerkeleyDB_DatabaseEnvironment_Remove.htm">Remove</a></td><td>Overloaded. <div class="summary">
<p>
The environment regions, including any backing files, are removed.
Any log or database files and the environment directory are not
removed.
</p>
<p>
If there are processes that have called <a href="M_BerkeleyDB_DatabaseEnvironment_Open.htm">Open(String, DatabaseEnvironmentConfig)</a> without
calling <a href="M_BerkeleyDB_DatabaseEnvironment_Close.htm">Close<span class="languageSpecificText"><span class="cs">()</span><span class="cpp">()</span><span class="nu">()</span></span></a> (that is, there are processes currently
using the environment), Remove fails without further action.
</p>
<p>
Calling Remove should not be necessary for most applications because
the Berkeley DB environment is cleaned up as part of normal database
recovery procedures. However, applications may want to call Remove
as part of application shut down to free up system resources. For
example, if <a href="F_BerkeleyDB_DatabaseEnvironmentConfig_SystemMemory.htm">SystemMemory</a> was
specified to <a href="M_BerkeleyDB_DatabaseEnvironment_Open.htm">Open(String, DatabaseEnvironmentConfig)</a>, it may be useful to call Remove in
order to release system shared memory segments that have been
allocated. Or, on architectures in which mutexes require allocation
of underlying system resources, it may be useful to call Remove in
order to release those resources. Alternatively, if recovery is not
required because no database state is maintained across failures,
and no system resources need to be released, it is possible to clean
up an environment by simply removing all the Berkeley DB files in
the database environment's directories.
</p>
<p>
In multithreaded applications, only a single thread may call Remove.
</p>
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="Overload_BerkeleyDB_DatabaseEnvironment_RemoveDB.htm">RemoveDB</a></td><td>Overloaded. </td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="M_BerkeleyDB_DatabaseEnvironment_RemoveUnusedLogFiles.htm">RemoveUnusedLogFiles</a></td><td><div class="summary">
Remove log files that are no longer needed. Automatic log file
removal is likely to make catastrophic recovery impossible.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="Overload_BerkeleyDB_DatabaseEnvironment_RenameDB.htm">RenameDB</a></td><td>Overloaded. </td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="Overload_BerkeleyDB_DatabaseEnvironment_RepHoldElection.htm">RepHoldElection</a></td><td>Overloaded. <div class="summary">
<p>
RepHoldElection is not called by most replication applications. It
should only be called by applications implementing their own network
transport layer, explicitly holding replication group elections and
handling replication messages outside of the replication manager
framework.
</p>
<p>
If the election is successful, Berkeley DB notifies the
application of the results of the election by means of either the
<a href="T_BerkeleyDB_NotificationEvent.htm">REP_ELECTED</a> or
<a href="T_BerkeleyDB_NotificationEvent.htm">REP_NEWMASTER</a> events (see
<a href="P_BerkeleyDB_DatabaseEnvironment_EventNotify.htm">EventNotify</a>for more information). The application is
responsible for adjusting its relationship to the other database
environments in the replication group, including directing all
database updates to the newly selected master, in accordance with
the results of the election.
</p>
<p>
The thread of control that calls RepHoldElection must not be the
thread of control that processes incoming messages; processing the
incoming messages is necessary to successfully complete an election.
</p>
<p>
Before calling this method, the <a href="P_BerkeleyDB_DatabaseEnvironment_RepTransport.htm">RepTransport</a> delegate
must already have been configured to send replication messages.
</p>
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="Overload_BerkeleyDB_DatabaseEnvironment_ReplicationSystemStats.htm">ReplicationSystemStats</a></td><td>Overloaded. </td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="M_BerkeleyDB_DatabaseEnvironment_RepMgrChannel.htm">RepMgrChannel</a></td><td><div class="summary">
Create DbChannel with given eid.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="M_BerkeleyDB_DatabaseEnvironment_RepmgrSetIncomingQueueMax.htm">RepmgrSetIncomingQueueMax</a></td><td><div class="summary">
Set a byte-count limit on the maximum amount of dynamic memory
used by the Replication Manager incoming queue.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="Overload_BerkeleyDB_DatabaseEnvironment_RepMgrSite.htm">RepMgrSite</a></td><td>Overloaded. </td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="M_BerkeleyDB_DatabaseEnvironment_RepMgrSiteConfig.htm">RepMgrSiteConfig</a></td><td><div class="summary">
Configure a site in the replication manager.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="Overload_BerkeleyDB_DatabaseEnvironment_RepMgrStartClient.htm">RepMgrStartClient</a></td><td>Overloaded. <div class="summary">
<p>
There are two ways to build Berkeley DB replication applications:
the most common approach is to use the Berkeley DB library
"replication manager" support, where the Berkeley DB library manages
the replication group, including network transport, all replication
message processing and acknowledgment, and group elections.
Applications using the replication manager support generally make
the following calls:
</p>
<ol><li>
Configure the local site in the replication group,
<a href="P_BerkeleyDB_DatabaseEnvironment_RepMgrLocalSite.htm">RepMgrLocalSite</a>.
</li><li>
Call <a href="M_BerkeleyDB_DatabaseEnvironment_RepMgrSiteConfig.htm">RepMgrSiteConfig(DbSiteConfig)</a> to configure the remote
site(s) in the replication group.
</li><li>Configure the message acknowledgment policy
(<a href="P_BerkeleyDB_DatabaseEnvironment_RepMgrAckPolicy.htm">RepMgrAckPolicy</a>) which provides the replication group's
transactional needs.
</li><li>
Configure the local site's election priority,
<a href="P_BerkeleyDB_DatabaseEnvironment_RepPriority.htm">RepPriority</a>.
</li><li>
Call <a href="M_BerkeleyDB_DatabaseEnvironment_RepMgrStartClient.htm">RepMgrStartClient(Int32)</a> or
<a href="M_BerkeleyDB_DatabaseEnvironment_RepMgrStartMaster.htm">RepMgrStartMaster(Int32)</a> to start the replication
application.
</li></ol>
<p>
For more information on building replication manager applications,
please see the Replication Getting Started Guide included in the
Berkeley DB documentation.
</p>
<p>
Applications with special needs (for example, applications using
network protocols not supported by the Berkeley DB replication
manager), must perform additional configuration and call other
Berkeley DB replication methods. For more information on building
advanced replication applications, please see the Base Replication
API section in the Berkeley DB Programmer's Reference Guide for more
information.
</p>
<p>
Starting the replication manager consists of opening the TCP/IP
listening socket to accept incoming connections, and starting all
necessary background threads. When multiple processes share a
database environment, only one process can open the listening
socket; <a href="M_BerkeleyDB_DatabaseEnvironment_RepMgrStartClient.htm">RepMgrStartClient(Int32)</a> (and
<a href="M_BerkeleyDB_DatabaseEnvironment_RepMgrStartMaster.htm">RepMgrStartMaster(Int32)</a>) automatically open the socket in
the first process to call it, and skips this step in the later calls
from other processes.
</p>
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="M_BerkeleyDB_DatabaseEnvironment_RepMgrStartMaster.htm">RepMgrStartMaster</a></td><td><div class="summary">
Start the replication manager as a master site, and do not call for
an election.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="Overload_BerkeleyDB_DatabaseEnvironment_RepMgrSystemStats.htm">RepMgrSystemStats</a></td><td>Overloaded. </td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="M_BerkeleyDB_DatabaseEnvironment_RepProcessMessage.htm">RepProcessMessage</a></td><td><div class="summary">
Process an incoming replication message sent by a member of the
replication group to the local database environment.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="M_BerkeleyDB_DatabaseEnvironment_RepSetClockskew.htm">RepSetClockskew</a></td><td><div class="summary">
Set the clock skew ratio among replication group members based on
the fastest and slowest measurements among the group for use with
master leases.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="M_BerkeleyDB_DatabaseEnvironment_RepSetRetransmissionRequest.htm">RepSetRetransmissionRequest</a></td><td><div class="summary">
Set a threshold for the minimum and maximum time that a client waits
before requesting retransmission of a missing message.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="M_BerkeleyDB_DatabaseEnvironment_RepSetTransmitLimit.htm">RepSetTransmitLimit</a></td><td><div class="summary">
Set a byte-count limit on the amount of data that is
transmitted from a site in response to a single message processed by
<a href="M_BerkeleyDB_DatabaseEnvironment_RepProcessMessage.htm">RepProcessMessage(DatabaseEntry, DatabaseEntry, Int32)</a>. The limit is not a hard limit, and
the record that exceeds the limit is the last record to be sent.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="M_BerkeleyDB_DatabaseEnvironment_RepSetTransport.htm">RepSetTransport</a></td><td><div class="summary">
Initialize the communication infrastructure for a database
environment participating in a replicated application.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="Overload_BerkeleyDB_DatabaseEnvironment_RepStartClient.htm">RepStartClient</a></td><td>Overloaded. <div class="summary">
<p>
RepStartClient is not called by most replication applications. It
should only be called by applications implementing their own network
transport layer, explicitly holding replication group elections and
handling replication messages outside of the replication manager
framework.
</p>
<p>
Replication master environments are the only database environments
where replicated databases may be modified. Replication client
environments are read-only as long as they are clients. Replication
client environments may be upgraded to be replication master
environments in the case that the current master fails or there is
no master present. If master leases are in use, this method cannot
be used to appoint a master, and should only be used to configure a
database environment as a master as the result of an election.
</p>
<p>
Before calling this method, the <a href="P_BerkeleyDB_DatabaseEnvironment_RepTransport.htm">RepTransport</a> delegate
must already have been configured to send replication messages.
</p>
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="Overload_BerkeleyDB_DatabaseEnvironment_RepStartMaster.htm">RepStartMaster</a></td><td>Overloaded. <div class="summary">
<p>
RepStartMaster is not called by most replication applications. It
should only be called by applications implementing their own network
transport layer, explicitly holding replication group elections and
handling replication messages outside of the replication manager
framework.
</p>
<p>
Replication master environments are the only database environments
where replicated databases may be modified. Replication client
environments are read-only as long as they are clients. Replication
client environments may be upgraded to be replication master
environments in the case that the current master fails or there is
no master present. If master leases are in use, this method cannot
be used to appoint a master, and should only be used to configure a
database environment as a master as the result of an election.
</p>
<p>
Before calling this method, the <a href="P_BerkeleyDB_DatabaseEnvironment_RepTransport.htm">RepTransport</a> delegate
must already have been configured to send replication messages.
</p>
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="M_BerkeleyDB_DatabaseEnvironment_RepSync.htm">RepSync</a></td><td><div class="summary">
Force master synchronization to begin for this client.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="M_BerkeleyDB_DatabaseEnvironment_ResetFileID.htm">ResetFileID</a></td><td><div class="summary">
Allow database files to be copied and used in the same database
environment as the original.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="M_BerkeleyDB_DatabaseEnvironment_ResetLSN.htm">ResetLSN</a></td><td><div class="summary">
Allow database files to be moved from one transactional database
environment to another.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="M_BerkeleyDB_DatabaseEnvironment_SetMaxSequentialWrites.htm">SetMaxSequentialWrites</a></td><td><div class="summary">
Limit the number of sequential write operations scheduled by the
library when flushing dirty pages from the cache.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="Overload_BerkeleyDB_DatabaseEnvironment_SyncMemPool.htm">SyncMemPool</a></td><td>Overloaded. </td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="http://msdn2.microsoft.com/en-us/library/7bxwbwt2" target="_blank">ToString</a></td><td><div class="summary">
Returns a <a href="http://msdn2.microsoft.com/en-us/library/s1wwdcbf" target="_blank">String</a> that represents the current <a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">Object</a>.
</div> (Inherited from <a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">Object</a>.)</td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="Overload_BerkeleyDB_DatabaseEnvironment_TransactionSystemStats.htm">TransactionSystemStats</a></td><td>Overloaded. </td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="M_BerkeleyDB_DatabaseEnvironment_TrickleCleanMemPool.htm">TrickleCleanMemPool</a></td><td><div class="summary">
Ensure that a specified percent of the pages in the cache are clean,
by writing dirty pages to their backing files.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="Overload_BerkeleyDB_DatabaseEnvironment_WriteToLog.htm">WriteToLog</a></td><td>Overloaded. <div class="summary">
WriteToLog allows applications to include information in the
database environment log files, for later review using the
db_printlog utility. This method is intended for debugging and
performance tuning.
</div><div class="summary">
WriteToLog allows applications to include information in the
database environment log files, for later review using the
db_printlog utility. This method is intended for debugging and
performance tuning.
</div></td></tr></table></div><h1 class="heading"><span onclick="ExpandCollapse(propertyTableToggle)" style="cursor:default;" onkeypress="ExpandCollapse_CheckKey(propertyTableToggle, event)" tabindex="0"><img id="propertyTableToggle" class="toggle" name="toggleSwitch" src="../icons/collapse_all.gif" />Properties</span></h1><div id="propertyTableSection" class="section" name="collapseableSection" style=""><table id="memberList" class="members" frame="lhs" cellpadding="2"><col width="10%" /><tr><th class="iconColumn">
</th><th class="nameColumn">Name</th><th class="descriptionColumn">Description</th></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_AutoCommit.htm">AutoCommit</a></td><td><div class="summary">
If true, database operations for which no explicit transaction
handle was specified, and which modify databases in the database
environment, are automatically enclosed within a transaction.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_BackupBufferSize.htm">BackupBufferSize</a></td><td><div class="summary">
The size of the buffer, in bytes, to read from the database during a
hot backup.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_BackupHandler.htm">BackupHandler</a></td><td><div class="summary">
Sets the <a href="T_BerkeleyDB_IBackup.htm">IBackup</a> interface to be used when performing
hot backups.
<p>
This interface is used to override the default behavior used by the
<a href="M_BerkeleyDB_DatabaseEnvironment_Backup.htm">Backup(String, BackupOptions)</a> and
<a href="M_BerkeleyDB_DatabaseEnvironment_BackupDatabase.htm">BackupDatabase(String, String, Boolean)</a> methods.
</p></div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_BackupReadCount.htm">BackupReadCount</a></td><td><div class="summary">
The number of pages to read before pausing during the hot backup.
<p>
Increasing this value increases the amount of I/O the backup process
performs for any given time interval. If your application is already
heavily I/O bound, setting this value to a lower number may help to
improve your overall data throughput by reducing the I/O demands
placed on your system. By default, all pages are read without a
pause.
</p></div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_BackupReadSleepDuration.htm">BackupReadSleepDuration</a></td><td><div class="summary">
The number of microseconds to sleep between batches of reads during
a hot backup.
<p>
Increasing this value decreases the amount of I/O the backup process
performs for any given time interval. If your application is already
heavily I/O bound, setting this value to a higher number may help to
improve your overall data throughput by reducing the I/O demands
placed on your system.
</p></div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_BackupWriteDirect.htm">BackupWriteDirect</a></td><td><div class="summary">
If true, direct I/O is used when writing pages to the disk during a
hot backup.
<p>
For some environments, direct I/O can provide faster write
throughput, but usually it is slower because the OS buffer pool
offers asynchronous activity.
</p></div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_BlobDir.htm">BlobDir</a></td><td><div class="summary">
Deprecated. Replaced by ExternalFileDir.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_BlobThreshold.htm">BlobThreshold</a></td><td><div class="summary">
Deprecated. Replaced by ExternalFileThreshold.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_CacheSize.htm">CacheSize</a></td><td><div class="summary">
The size of the shared memory buffer pool (the cache).
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_CDB_ALLDB.htm">CDB_ALLDB</a></td><td><div class="summary">
If true, Berkeley DB Concurrent Data Store applications perform
locking on an environment-wide basis rather than on a per-database
basis.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_Create.htm">Create</a></td><td><div class="summary">
If true, Berkeley DB subsystems create any underlying files, as
necessary.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_DataDirs.htm">DataDirs</a></td><td><div class="summary">
The array of directories where database files are stored.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_DeadlockResolution.htm">DeadlockResolution</a></td><td><div class="summary">
The deadlock detector configuration, specifying which lock request(s)
should be rejected. As transactions acquire locks on behalf of a
single locker ID, rejecting a lock request associated with a
transaction normally requires the transaction to be aborted.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_EncryptAlgorithm.htm">EncryptAlgorithm</a></td><td><div class="summary">
The algorithm used by the Berkeley DB library to perform encryption
and decryption.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_ErrorFeedback.htm">ErrorFeedback</a></td><td><div class="summary">
The mechanism for reporting detailed error messages to the
application.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_ErrorPrefix.htm">ErrorPrefix</a></td><td><div class="summary">
The prefix string that appears before error messages issued by
Berkeley DB.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_EventNotify.htm">EventNotify</a></td><td><div class="summary">
A delegate which is called to notify the process of specific
Berkeley DB events.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_ExternalFileDir.htm">ExternalFileDir</a></td><td><div class="summary">
The path of the directory where external files are stored.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_ExternalFileThreshold.htm">ExternalFileThreshold</a></td><td><div class="summary">
The size in bytes which is used to determine when a data item
is stored as an external file.
<p>
Any data item that is equal to or larger in size than the
threshold value is automatically stored as an external file.
</p><p>
If the threshold value is 0, databases opened in the environment
default to never using external file support.
</p></div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_Feedback.htm">Feedback</a></td><td><div class="summary">
Monitor progress within long running operations.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_ForceFlush.htm">ForceFlush</a></td><td><div class="summary">
If true, flush database writes to the backing disk before returning
from the write system call, rather than flushing database writes
explicitly in a separate system call, as necessary.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_FreeThreaded.htm">FreeThreaded</a></td><td><div class="summary">
If true, the object is free-threaded; that is, concurrently usable
by multiple threads in the address space.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_Home.htm">Home</a></td><td><div class="summary">
The database environment home directory.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_HotbackupInProgress.htm">HotbackupInProgress</a></td><td><div class="summary">
Whether there is any hot backup in progress.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_InitDatabaseCount.htm">InitDatabaseCount</a></td><td><div class="summary">
The number of databases initialized when the environment is created
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_InitDatabaseLength.htm">InitDatabaseLength</a></td><td><div class="summary">
The maximum length of database's directory and name strings
initialized when the environment is created
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_InitExtFileDatabaseCount.htm">InitExtFileDatabaseCount</a></td><td><div class="summary">
The number of databases and subdatabases using external files
initialized when the environment is created
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_InitLockCount.htm">InitLockCount</a></td><td><div class="summary">
The number of locks allocated when the environment is created
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_InitLockerCount.htm">InitLockerCount</a></td><td><div class="summary">
The number of lockers allocated when the environment is created
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_InitLockObjectCount.htm">InitLockObjectCount</a></td><td><div class="summary">
The number of lock objects allocated when the environment is created
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_InitLogIdCount.htm">InitLogIdCount</a></td><td><div class="summary">
The number of log identifier objects allocated when the
environment is created
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_InitMutexes.htm">InitMutexes</a></td><td><div class="summary">
The initial number of mutexes allocated
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_InitRegions.htm">InitRegions</a></td><td><div class="summary">
If true, Berkeley DB page-faults shared regions into memory when
initially creating or joining a Berkeley DB environment.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_InitRepSitesCount.htm">InitRepSitesCount</a></td><td><div class="summary">
The maximum number of replication sites initialized when the
environment is created
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_InitThreadCount.htm">InitThreadCount</a></td><td><div class="summary">
The number of thread objects allocated when the environment is
created
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_InitTxnCount.htm">InitTxnCount</a></td><td><div class="summary">
The number of transaction objects allocated when the environment is
created
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_IntermediateDirMode.htm">IntermediateDirMode</a></td><td><div class="summary">
The intermediate directory permissions.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_LockConflictMatrix.htm">LockConflictMatrix</a></td><td><div class="summary">
The current lock conflicts array.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_Lockdown.htm">Lockdown</a></td><td><div class="summary">
If true, lock shared Berkeley DB environment files and memory-mapped
databases into memory.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_LockPartitions.htm">LockPartitions</a></td><td><div class="summary">
The number of lock table partitions used in the Berkeley DB
environment.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_LockTableSize.htm">LockTableSize</a></td><td><div class="summary">
The size of the lock table in the Berkeley DB environment.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_LockTimeout.htm">LockTimeout</a></td><td><div class="summary">
A value, in microseconds, representing lock timeouts.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_LogAutoRemove.htm">LogAutoRemove</a></td><td><div class="summary">
If true, Berkeley DB automatically removes log files that are no
longer needed.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_LogBlobContent.htm">LogBlobContent</a></td><td><div class="summary">
Deprecated. Replaced by LogExternalFileContent
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_LogBufferSize.htm">LogBufferSize</a></td><td><div class="summary">
The size of the in-memory log buffer, in bytes
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_LogDir.htm">LogDir</a></td><td><div class="summary">
The path of a directory to be used as the location of logging files.
Log files created by the Log Manager subsystem are created in
this directory.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_LogExternalFileContent.htm">LogExternalFileContent</a></td><td><div class="summary">
If true, enables full logging of external file data.
Required if using HA or the hotbackup utility.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_LogFileMode.htm">LogFileMode</a></td><td><div class="summary">
The absolute file mode for created log files. This property is only
useful for the rare Berkeley DB application that does not control
its umask value.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_LogForceSync.htm">LogForceSync</a></td><td><div class="summary">
If true, Berkeley DB flushes log writes to the backing disk
before returning from the write system call, rather than flushing
log writes explicitly in a separate system call, as necessary.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_LogInMemory.htm">LogInMemory</a></td><td><div class="summary">
If true, transaction logs are maintained in-memory rather than on
disk. This means that transactions exhibit the ACI (atomicity,
consistency, and isolation) properties, but not D (durability).
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_LogNoBuffer.htm">LogNoBuffer</a></td><td><div class="summary">
If true, system buffering is turned off for Berkeley DB log files to
avoid double caching.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_LogNoSync.htm">LogNoSync</a></td><td><div class="summary">
If true, Berkeley DB avoids the fsync() call when the log files are
flushed.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_LogRegionSize.htm">LogRegionSize</a></td><td><div class="summary">
The size of the underlying logging area of the Berkeley DB
environment, in bytes.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_LogZeroOnCreate.htm">LogZeroOnCreate</a></td><td><div class="summary">
If true, all pages of a log file are zeroed when that log file is
created.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_MaxCacheSize.htm">MaxCacheSize</a></td><td><div class="summary">
The maximum cache size
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_MaxLockers.htm">MaxLockers</a></td><td><div class="summary">
The maximum number of locking entities supported by the Berkeley DB
environment.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_MaxLocks.htm">MaxLocks</a></td><td><div class="summary">
The maximum number of locks supported by the Berkeley DB
environment.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_MaxLogFileSize.htm">MaxLogFileSize</a></td><td><div class="summary">
The maximum size of a single file in the log, in bytes. Because
<a href="F_BerkeleyDB_LSN_Offset.htm">LSN Offsets</a> are unsigned four-byte
values, the size may not be larger than the maximum unsigned
four-byte value.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_MaxMutexes.htm">MaxMutexes</a></td><td><div class="summary">
The total number of mutexes allocated
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_MaxObjects.htm">MaxObjects</a></td><td><div class="summary">
The maximum number of locked objects
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_MaxOpenFiles.htm">MaxOpenFiles</a></td><td><div class="summary">
The number of file descriptors the library opens concurrently
when flushing dirty pages from the cache.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_MaxSequentialWrites.htm">MaxSequentialWrites</a></td><td><div class="summary">
The number of sequential write operations scheduled by the library
when flushing dirty pages from the cache.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_MaxTransactions.htm">MaxTransactions</a></td><td><div class="summary">
The number of active transactions supported by the environment. This
value bounds the size of the memory allocated for transactions.
Child transactions are counted as active until they either commit or
abort.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_messageFeedback.htm">messageFeedback</a></td><td><div class="summary">
The mechanism for reporting detailed statistic messages to the
application.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_MessagePrefix.htm">MessagePrefix</a></td><td><div class="summary">
The prefix string that appears before informational messages issued
by Berkeley DB.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_MetadataDir.htm">MetadataDir</a></td><td><div class="summary">
The path of directory to store the persistent metadata.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_MMapSize.htm">MMapSize</a></td><td><div class="summary">
The maximum file size, in bytes, for a file to be mapped into the
process address space. If no value is specified, it defaults to
10MB.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_Msgfile.htm">Msgfile</a></td><td><div class="summary">
The message file.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_MutexAlignment.htm">MutexAlignment</a></td><td><div class="summary">
The mutex alignment, in bytes.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_MutexIncrement.htm">MutexIncrement</a></td><td><div class="summary">
The number of additional mutexes allocated.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_NoBuffer.htm">NoBuffer</a></td><td><div class="summary">
If true, turn off system buffering of Berkeley DB database files to
avoid double caching.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_NoLocking.htm">NoLocking</a></td><td><div class="summary">
If true, Berkeley DB grants all requested mutual exclusion
mutexes and database locks without regard for their actual
availability. This functionality should never be used for purposes
other than debugging.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_NoMMap.htm">NoMMap</a></td><td><div class="summary">
If true, Berkeley DB copies read-only database files into the
local cache instead of potentially mapping them into process memory.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_NoPanic.htm">NoPanic</a></td><td><div class="summary">
If true, Berkeley DB ignores any panic state in the database
environment. (Database environments in a panic state normally refuse
all attempts to call Berkeley DB functions, throwing
<a href="T_BerkeleyDB_RunRecoveryException.htm">RunRecoveryException</a>.) This functionality should never
be used for purposes other than debugging.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_NumTestAndSetSpins.htm">NumTestAndSetSpins</a></td><td><div class="summary">
The number of times that test-and-set mutexes should spin without
blocking. The value defaults to 1 on uniprocessor systems and to 50
times the number of processors on multiprocessor systems.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_Overwrite.htm">Overwrite</a></td><td><div class="summary">
If true, overwrite files stored in encrypted formats before deleting
them.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_Private.htm">Private</a></td><td><div class="summary">
If true, allocate region memory from the heap instead of from memory
backed by the filesystem or system shared memory.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_RegionDir.htm">RegionDir</a></td><td><div class="summary">
The path of a directory to be used as the location of region files.
Region files created by the Environment are stored in this
directory.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_RegionMemoryLimitBytes.htm">RegionMemoryLimitBytes</a></td><td><div class="summary">
The bytes component of the byte-count limit on the amount of
memory to be used by shared structures in the main environment
region. These are the structures other than mutexes and the page
cache (memory pool).
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_RegionMemoryLimitGBytes.htm">RegionMemoryLimitGBytes</a></td><td><div class="summary">
The gigabytes component of the byte-count limit on the amount of
memory to be used by shared structures in the main environment
region. These are the structures other than mutexes and the page
cache (memory pool).
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_Register.htm">Register</a></td><td><div class="summary">
If true, Berkeley DB checks if recovery is needed to
be performed before opening the database environment.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_RepAckTimeout.htm">RepAckTimeout</a></td><td><div class="summary">
The amount of time the replication manager's transport function
waits to collect enough acknowledgments from replication group
clients, before giving up and returning a failure indication. The
default wait time is 1 second.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_RepAutoInit.htm">RepAutoInit</a></td><td><div class="summary">
If true, the replication master automatically re-initializes
outdated clients (defaults to true).
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_RepBulkTransfer.htm">RepBulkTransfer</a></td><td><div class="summary">
If true, the replication master sends groups of records to the
clients in a single network transfer
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_RepCheckpointDelay.htm">RepCheckpointDelay</a></td><td><div class="summary">
The amount of time a master site delays between completing a
checkpoint and writing a checkpoint record into the log.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_RepClockskewFast.htm">RepClockskewFast</a></td><td><div class="summary">
The value, relative to <a href="P_BerkeleyDB_DatabaseEnvironment_RepClockskewSlow.htm">RepClockskewSlow</a>, of the
fastest clock in the group of sites.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_RepClockskewSlow.htm">RepClockskewSlow</a></td><td><div class="summary">
The value of the slowest clock in the group of sites.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_RepConnectionRetry.htm">RepConnectionRetry</a></td><td><div class="summary">
The amount of time the replication manager waits before trying
to re-establish a connection to another site after a communication
failure. The default wait time is 30 seconds.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_RepDelayClientSync.htm">RepDelayClientSync</a></td><td><div class="summary">
If true, the client should delay synchronizing to a newly declared
master (defaults to false). Clients configured in this way remain
unsynchronized until the application calls <a href="M_BerkeleyDB_DatabaseEnvironment_RepSync.htm">RepSync<span class="languageSpecificText"><span class="cs">()</span><span class="cpp">()</span><span class="nu">()</span></span></a>.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_RepDisablePoll.htm">RepDisablePoll</a></td><td><div class="summary">
This flag is used to prevent the use of poll() as polling method for
networking events on the target site. This flag guarantees that
instead of poll() select or epoll() would be used depending on the
availablity of these methods on the target platform and additional
flags provided to repmgr.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_RepDisableSSL.htm">RepDisableSSL</a></td><td><div class="summary">
This flag is used to prevent the use of SSL for securing the
messages exchanged between nodes in a replication group.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_RepElectionRetry.htm">RepElectionRetry</a></td><td><div class="summary">
Configure the amount of time the replication manager waits
before retrying a failed election. The default wait time is 10
seconds.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_RepElectionTimeout.htm">RepElectionTimeout</a></td><td><div class="summary">
The timeout period for an election. The default timeout is 2
seconds.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_RepEnableEpoll.htm">RepEnableEpoll</a></td><td><div class="summary">
This flag is used to force the use of epoll as polling method for
networking events instad of poll or select. Use of this flag does
not guarantee that epoll will be used though. It depends on the
availability of epoll on target platform. Epoll is supposed to be
used only when the expected number of connections for repmgr is
greater than 1000.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_RepForwardWrites.htm">RepForwardWrites</a></td><td><div class="summary">
Enable simple write forwarding for this site. By default, write
operations cannot be performed on a replication client site. This
option enables forwarding of simple client put and delete operations
to the master site for processing. These operations must use an implicit
NULL transaction ID to be forwarded. Any other write operation that
specifies a non-NULL transaction throws a DatabaseException. The master
must have an open database handle for the database on which a forwarded
write operation is being performed. All sites in the replication group
should have the same value for this configuration option.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_RepFullElectionTimeout.htm">RepFullElectionTimeout</a></td><td><div class="summary">
An optional configuration timeout period to wait for full election
participation the first time the replication group finds a master.
By default this option is turned off and normal election timeouts
are used. (See the Elections section in the Berkeley DB Reference
Guide for more information.)
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_RepHeartbeatMonitor.htm">RepHeartbeatMonitor</a></td><td><div class="summary">
The amount of time the replication manager, running at a client
site, waits for some message activity on the connection from the
master (heartbeats or other messages) before concluding that the
connection has been lost. When 0 (the default), no monitoring is
performed.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_RepHeartbeatSend.htm">RepHeartbeatSend</a></td><td><div class="summary">
The frequency at which the replication manager, running at a master
site, broadcasts a heartbeat message in an otherwise idle system.
When 0 (the default), no heartbeat messages are sent.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_RepInMemory.htm">RepInMemory</a></td><td><div class="summary">
If true, replication only stores the internal information in-memory
and cannot keep persistent state across a site crash or reboot. By
default, it is false and replication creates files in the
environment home directory to preserve the internal information.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_RepLeaseTimeout.htm">RepLeaseTimeout</a></td><td><div class="summary">
The amount of time a client grants its master lease to a master.
When using master leases all sites in a replication group must use
the same lease timeout value. There is no default value. If leases
are desired, this method must be called prior to calling
<a href="M_BerkeleyDB_DatabaseEnvironment_RepStartClient.htm">RepStartClient<span class="languageSpecificText"><span class="cs">()</span><span class="cpp">()</span><span class="nu">()</span></span></a> or <a href="M_BerkeleyDB_DatabaseEnvironment_RepStartMaster.htm">RepStartMaster<span class="languageSpecificText"><span class="cs">()</span><span class="cpp">()</span><span class="nu">()</span></span></a>.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_ReplicationView.htm">ReplicationView</a></td><td><div class="summary">
The function used to create a replication view that determines
whether a database file is replicated to the local site.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_RepMessageDispatch.htm">RepMessageDispatch</a></td><td><div class="summary">
Set the message dispatch function. It is responsible for receiving
messages sent from remote sites using either
<a href="M_BerkeleyDB_DbChannel_SendMessage.htm">SendMessage(<span class="languageSpecificText"><span class="cpp">array<</span></span>DatabaseEntry<span class="languageSpecificText"><span class="cpp">></span><span class="cs">[]</span><span class="vb">()</span><span class="nu">[]</span></span>)</a> or <a href="M_BerkeleyDB_DbChannel_SendRequest_1.htm">SendRequest(<span class="languageSpecificText"><span class="cpp">array<</span></span>DatabaseEntry<span class="languageSpecificText"><span class="cpp">></span><span class="cs">[]</span><span class="vb">()</span><span class="nu">[]</span></span>, UInt32)</a>.
If the message received by this function was sent using
<a href="M_BerkeleyDB_DbChannel_SendMessage.htm">SendMessage(<span class="languageSpecificText"><span class="cpp">array<</span></span>DatabaseEntry<span class="languageSpecificText"><span class="cpp">></span><span class="cs">[]</span><span class="vb">()</span><span class="nu">[]</span></span>)</a>, then no response is required.
If the message was sent using <a href="M_BerkeleyDB_DbChannel_SendRequest_1.htm">SendRequest(<span class="languageSpecificText"><span class="cpp">array<</span></span>DatabaseEntry<span class="languageSpecificText"><span class="cpp">></span><span class="cs">[]</span><span class="vb">()</span><span class="nu">[]</span></span>, UInt32)</a>,
then this function must send a response using
<a href="M_BerkeleyDB_DbChannel_SendMessage.htm">SendMessage(<span class="languageSpecificText"><span class="cpp">array<</span></span>DatabaseEntry<span class="languageSpecificText"><span class="cpp">></span><span class="cs">[]</span><span class="vb">()</span><span class="nu">[]</span></span>)</a>.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_RepMgrAckPolicy.htm">RepMgrAckPolicy</a></td><td><div class="summary">
Specify how master and client sites handle acknowledgment of
replication messages which are necessary for "permanent" records.
The current implementation requires all sites in a replication group
configure the same acknowledgement policy.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_RepmgrIncomingQueueMaxBytes.htm">RepmgrIncomingQueueMaxBytes</a></td><td><div class="summary">
The bytes component of the maximum amount of dynamic memory
used by the Replication Manager incoming queue.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_RepmgrIncomingQueueMaxGBytes.htm">RepmgrIncomingQueueMaxGBytes</a></td><td><div class="summary">
The gigabytes component of the maximum amount of dynamic memory
used by the Replication Manager incoming queue.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_RepMgrLocalSite.htm">RepMgrLocalSite</a></td><td><div class="summary">
The local site of the replication manager. Returns null if the
local site has not been configured.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_RepMgrRemoteSites.htm">RepMgrRemoteSites</a></td><td><div class="summary">
The status of the sites currently known by the replication manager.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_RepMgrRunElections.htm">RepMgrRunElections</a></td><td><div class="summary">
If true, Replication Manager automatically runs elections to
choose a new master when the old master disconnects (defaults to true).
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_RepNoBlocking.htm">RepNoBlocking</a></td><td><div class="summary">
If true, errors are returned immediately for Berkeley DB method calls
that would normally block while clients are in recovery
(defaults to false).
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_RepNSites.htm">RepNSites</a></td><td><div class="summary">
The total number of sites in the replication group.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_RepPrefmasClient.htm">RepPrefmasClient</a></td><td><div class="summary">
This flag is used to specify the client site in a replication group
operating in preferred master mode. A preferred master replication
group must contain only two sites, with one site specified as the
preferred master site and the other site specified as the client
site. The client site in a preferred master replication group takes
over temporarily as master when the preferred master site is
unavailable.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_RepPrefmasMaster.htm">RepPrefmasMaster</a></td><td><div class="summary">
This flag is used to specify the preferred master site in a
replication group operating in preferred master mode. A preferred
master replication group must contain only two sites, with one site
specified as the preferred master site and the other site specified
as the client site. The preferred master site operates as the
master site whenever possible.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_RepPriority.htm">RepPriority</a></td><td><div class="summary">
The database environment's priority in replication group elections.
A special value of 0 indicates that this environment cannot be a
replication group master. If not configured, then a default value
of 100 is used.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_RepRetransmissionRequestMax.htm">RepRetransmissionRequestMax</a></td><td><div class="summary">
The maximum number of microseconds a client waits before requesting
retransmission.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_RepRetransmissionRequestMin.htm">RepRetransmissionRequestMin</a></td><td><div class="summary">
The minimum number of microseconds a client waits before requesting
retransmission.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_RepStrict2Site.htm">RepStrict2Site</a></td><td><div class="summary">
Replication Manager observes the strict "majority" rule in managing
elections, even in a group with only 2 sites. The client
in a 2-site group is unable to take over as master if the
original master fails or becomes disconnected. (See the Elections
section in the Berkeley DB Reference Guide for more information.)
Both sites in the replication group should have the same value for
this parameter.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_RepTransmitLimitBytes.htm">RepTransmitLimitBytes</a></td><td><div class="summary">
The bytes component of the byte-count limit on the amount of data
that is transmitted from a site in response to a single
message processed by <a href="M_BerkeleyDB_DatabaseEnvironment_RepProcessMessage.htm">RepProcessMessage(DatabaseEntry, DatabaseEntry, Int32)</a>.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_RepTransmitLimitGBytes.htm">RepTransmitLimitGBytes</a></td><td><div class="summary">
The gigabytes component of the byte-count limit on the amount of
data that is transmitted from a site in response to a single
message processed by <a href="M_BerkeleyDB_DatabaseEnvironment_RepProcessMessage.htm">RepProcessMessage(DatabaseEntry, DatabaseEntry, Int32)</a>.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_RepTransport.htm">RepTransport</a></td><td><div class="summary">
The delegate used to transmit data using the replication
application's communication infrastructure.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_RepUseMasterLeases.htm">RepUseMasterLeases</a></td><td><div class="summary">
If true, master leases are used for this site (defaults to
false).
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_RepWriteForwardTimeout.htm">RepWriteForwardTimeout</a></td><td><div class="summary">
Configure the amount of time a Replication Manager client waits
for a response from a forwarded write operation before returning
a failure indication. The default value is 5 seconds.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_RunFatalRecovery.htm">RunFatalRecovery</a></td><td><div class="summary">
If true, catastrophic recovery was run on this environment before
opening it for normal use.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_RunRecovery.htm">RunRecovery</a></td><td><div class="summary">
If true, normal recovery was run on this environment before opening
it for normal use.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_SequentialWritePause.htm">SequentialWritePause</a></td><td><div class="summary">
The number of microseconds the thread of control pauses before
scheduling further write operations.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_SetThreadID.htm">SetThreadID</a></td><td><div class="summary">
A delegate that returns a unique identifier pair for the current
thread of control.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_SetThreadName.htm">SetThreadName</a></td><td><div class="summary">
A delegate that formats a process ID and thread ID identifier pair.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_SystemMemory.htm">SystemMemory</a></td><td><div class="summary">
If true, allocate region memory from system shared memory instead of
from heap memory or memory backed by the filesystem.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_TempDir.htm">TempDir</a></td><td><div class="summary">
The path of a directory to be used as the location for temporary
files.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_ThreadCount.htm">ThreadCount</a></td><td><div class="summary">
An approximate number of threads in the database environment.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_ThreadIsAlive.htm">ThreadIsAlive</a></td><td><div class="summary">
A delegate that returns if a thread of control (either a true thread
or a process) is still running.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_TimeNotGranted.htm">TimeNotGranted</a></td><td><div class="summary">
If true, database calls timing out based on lock or transaction
timeout values throw <a href="T_BerkeleyDB_LockNotGrantedException.htm">LockNotGrantedException</a>
instead of <a href="T_BerkeleyDB_DeadlockException.htm">DeadlockException</a>.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_TxnNoSync.htm">TxnNoSync</a></td><td><div class="summary">
If true, Berkeley DB does not write or synchronously flush the log
on transaction commit.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_TxnNoWait.htm">TxnNoWait</a></td><td><div class="summary">
If true and a lock is unavailable for any Berkeley DB operation
performed in the context of a transaction, cause the operation to
throw <a href="T_BerkeleyDB_DeadlockException.htm">DeadlockException</a> (or
<a href="T_BerkeleyDB_LockNotGrantedException.htm">LockNotGrantedException</a> if configured with
<a href="P_BerkeleyDB_DatabaseEnvironment_TimeNotGranted.htm">TimeNotGranted</a>).
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_TxnSnapshot.htm">TxnSnapshot</a></td><td><div class="summary">
If true, all transactions in the environment are started as if
<a href="F_BerkeleyDB_TransactionConfig_Snapshot.htm">Snapshot</a> was passed to
<a href="M_BerkeleyDB_DatabaseEnvironment_BeginTransaction.htm">BeginTransaction<span class="languageSpecificText"><span class="cs">()</span><span class="cpp">()</span><span class="nu">()</span></span></a>, and all non-transactional cursors
are opened as if <a href="F_BerkeleyDB_CursorConfig_SnapshotIsolation.htm">SnapshotIsolation</a>
was passed to <a href="M_BerkeleyDB_BaseDatabase_Cursor.htm">Cursor<span class="languageSpecificText"><span class="cs">()</span><span class="cpp">()</span><span class="nu">()</span></span></a>.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_TxnTimeout.htm">TxnTimeout</a></td><td><div class="summary">
A value, in microseconds, representing transaction timeouts.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_TxnTimestamp.htm">TxnTimestamp</a></td><td><div class="summary">
The recovery timestamp
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_TxnWriteNoSync.htm">TxnWriteNoSync</a></td><td><div class="summary">
If true, Berkeley DB writes, but does not synchronously flush,
the log on transaction commit.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_UseEnvironmentVars.htm">UseEnvironmentVars</a></td><td><div class="summary">
The Berkeley DB process' environment may be permitted to specify
information to be used when naming files; see Berkeley DB File
Naming in the Programmer's Reference Guide for more information.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_UseMVCC.htm">UseMVCC</a></td><td><div class="summary">
If true, all databases in the environment are opened as if
<a href="F_BerkeleyDB_DatabaseConfig_UseMVCC.htm">UseMVCC</a> was set.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_UsingCDB.htm">UsingCDB</a></td><td><div class="summary">
If true, locking for the Berkeley DB Concurrent Data Store product
was initialized.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_UsingLocking.htm">UsingLocking</a></td><td><div class="summary">
If true, the locking subsystem was initialized.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_UsingLogging.htm">UsingLogging</a></td><td><div class="summary">
If true, the logging subsystem was initialized.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_UsingMPool.htm">UsingMPool</a></td><td><div class="summary">
If true, the shared memory buffer pool subsystem was initialized.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_UsingReplication.htm">UsingReplication</a></td><td><div class="summary">
If true, the replication subsystem was initialized.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_UsingTxns.htm">UsingTxns</a></td><td><div class="summary">
If true, the transaction subsystem was initialized.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_Verbosity.htm">Verbosity</a></td><td><div class="summary">
Specific additional informational and debugging messages in the
Berkeley DB message output.
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_YieldCPU.htm">YieldCPU</a></td><td><div class="summary">
If true, Berkeley DB yields the processor immediately after each
page or mutex acquisition.
</div></td></tr></table></div><h1 class="heading"><span onclick="ExpandCollapse(seeAlsoToggle)" style="cursor:default;" onkeypress="ExpandCollapse_CheckKey(seeAlsoToggle, event)" tabindex="0"><img id="seeAlsoToggle" class="toggle" name="toggleSwitch" src="../icons/collapse_all.gif" />See Also</span></h1><div id="seeAlsoSection" class="section" name="collapseableSection" style=""><div class="seeAlsoStyle"><a href="T_BerkeleyDB_DatabaseEnvironment.htm">DatabaseEnvironment Class</a></div><div class="seeAlsoStyle"><a href="N_BerkeleyDB.htm">BerkeleyDB Namespace</a></div></div></div><div id="footer"><div class="footerLine"><img width="100%" height="3px" src="../icons/footer.gif" title="Footer image" /></div><A NAME="feedback"></A><span id="fb" class="feedbackcss"> </span>
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