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Yasuhiro KIMURA
532 lines
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532 lines
72 KiB
HTML
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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>The <a href="T_BerkeleyDB_DatabaseEnvironment.htm">DatabaseEnvironment</a> type exposes the following members.</p><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">
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</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">
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If true, database operations for which no explicit transaction
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handle was specified, and which modify databases in the database
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environment, are automatically enclosed within a transaction.
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</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">
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The size of the buffer, in bytes, to read from the database during a
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hot backup.
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</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">
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Sets the <a href="T_BerkeleyDB_IBackup.htm">IBackup</a> interface to be used when performing
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hot backups.
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<p>
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This interface is used to override the default behavior used by the
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<a href="M_BerkeleyDB_DatabaseEnvironment_Backup.htm">Backup(String, BackupOptions)</a> and
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<a href="M_BerkeleyDB_DatabaseEnvironment_BackupDatabase.htm">BackupDatabase(String, String, Boolean)</a> methods.
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</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">
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The number of pages to read before pausing during the hot backup.
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<p>
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Increasing this value increases the amount of I/O the backup process
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performs for any given time interval. If your application is already
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heavily I/O bound, setting this value to a lower number may help to
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improve your overall data throughput by reducing the I/O demands
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placed on your system. By default, all pages are read without a
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pause.
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</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">
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The number of microseconds to sleep between batches of reads during
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a hot backup.
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<p>
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Increasing this value decreases the amount of I/O the backup process
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performs for any given time interval. If your application is already
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heavily I/O bound, setting this value to a higher number may help to
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improve your overall data throughput by reducing the I/O demands
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placed on your system.
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</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">
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If true, direct I/O is used when writing pages to the disk during a
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hot backup.
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<p>
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For some environments, direct I/O can provide faster write
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throughput, but usually it is slower because the OS buffer pool
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offers asynchronous activity.
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</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">
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Deprecated. Replaced by ExternalFileDir.
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</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">
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Deprecated. Replaced by ExternalFileThreshold.
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</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">
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The size of the shared memory buffer pool (the cache).
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</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">
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If true, Berkeley DB Concurrent Data Store applications perform
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locking on an environment-wide basis rather than on a per-database
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basis.
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</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">
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If true, Berkeley DB subsystems create any underlying files, as
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necessary.
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</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">
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The array of directories where database files are stored.
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</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">
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The deadlock detector configuration, specifying which lock request(s)
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should be rejected. As transactions acquire locks on behalf of a
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single locker ID, rejecting a lock request associated with a
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transaction normally requires the transaction to be aborted.
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</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">
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The algorithm used by the Berkeley DB library to perform encryption
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and decryption.
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</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">
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The mechanism for reporting detailed error messages to the
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application.
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</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">
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The prefix string that appears before error messages issued by
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Berkeley DB.
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</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">
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A delegate which is called to notify the process of specific
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Berkeley DB events.
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</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">
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The path of the directory where external files are stored.
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</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">
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The size in bytes which is used to determine when a data item
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is stored as an external file.
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<p>
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Any data item that is equal to or larger in size than the
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threshold value is automatically stored as an external file.
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</p><p>
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If the threshold value is 0, databases opened in the environment
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default to never using external file support.
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</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">
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Monitor progress within long running operations.
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</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">
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If true, flush database writes to the backing disk before returning
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from the write system call, rather than flushing database writes
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explicitly in a separate system call, as necessary.
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</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">
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If true, the object is free-threaded; that is, concurrently usable
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by multiple threads in the address space.
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</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">
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The database environment home directory.
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</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">
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Whether there is any hot backup in progress.
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</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">
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The number of databases initialized when the environment is created
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</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">
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The maximum length of database's directory and name strings
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initialized when the environment is created
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</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">
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The number of databases and subdatabases using external files
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initialized when the environment is created
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</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">
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The number of locks allocated when the environment is created
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</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">
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The number of lockers allocated when the environment is created
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</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">
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The number of lock objects allocated when the environment is created
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</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">
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The number of log identifier objects allocated when the
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environment is created
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</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">
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The initial number of mutexes allocated
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</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">
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If true, Berkeley DB page-faults shared regions into memory when
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initially creating or joining a Berkeley DB environment.
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</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">
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The maximum number of replication sites initialized when the
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environment is created
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</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">
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The number of thread objects allocated when the environment is
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created
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</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">
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The number of transaction objects allocated when the environment is
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created
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</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">
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The intermediate directory permissions.
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</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">
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The current lock conflicts array.
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</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">
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If true, lock shared Berkeley DB environment files and memory-mapped
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databases into memory.
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</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">
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The number of lock table partitions used in the Berkeley DB
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environment.
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</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">
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The size of the lock table in the Berkeley DB environment.
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</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">
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A value, in microseconds, representing lock timeouts.
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</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">
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If true, Berkeley DB automatically removes log files that are no
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longer needed.
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</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">
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Deprecated. Replaced by LogExternalFileContent
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</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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