svn commit: r959124 - in /websites/production/activemq/content: cache/cms.pageCache cache/main.pageCache cache/nms.pageCache leveldb-store.html replicated-leveldb-store.html unix-shell-script.html

[bu...@apache.org]

Author: buildbot
Date: Tue Jul 21 17:24:22 2015
New Revision: 959124

Log:
Production update by buildbot for activemq

Modified:
    websites/production/activemq/content/cache/cms.pageCache
    websites/production/activemq/content/cache/main.pageCache
    websites/production/activemq/content/cache/nms.pageCache
    websites/production/activemq/content/leveldb-store.html
    websites/production/activemq/content/replicated-leveldb-store.html
    websites/production/activemq/content/unix-shell-script.html

Modified: websites/production/activemq/content/cache/cms.pageCache
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Modified: websites/production/activemq/content/cache/main.pageCache
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Modified: websites/production/activemq/content/cache/nms.pageCache
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Modified: websites/production/activemq/content/leveldb-store.html
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--- websites/production/activemq/content/leveldb-store.html (original)
+++ websites/production/activemq/content/leveldb-store.html Tue Jul 21 17:24:22 2015
@@ -90,7 +90,7 @@
     ...
   </broker>
 </pre>
-</div></div><h3 id="LevelDBStore-LevelDBProperties">LevelDB Properties</h3><div class="table-wrap"><table class="confluenceTable"><tbody><tr><th colspan="1" rowspan="1" class="confluenceTh"><p>property name</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>default value</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>Comments</p></th></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p>directory</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>"LevelDB"</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>The directory which the store will use to hold it's data files. The store will create the directory if it does not already exist.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p>sync</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>true</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>If set to false, then the store does not sync logging operations to disk</p></td></tr><tr><td colspan="1" row
 span="1" class="confluenceTd"><p>logSize</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>104857600 (100 MB)</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>The max size (in bytes) of each data log file before log file rotation occurs.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p>logWriteBufferSize</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>4194304 (4 MB)</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>That maximum amount of log data to build up before writing to the file system.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p>verifyChecksums</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>false</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>Set to true to force checksum verification of all data that is read from the file system.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p>paranoidChecks</p></td><td colspan="1" rowspan="1" class="confluen
 ceTd"><p>false</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>Make the store error out as soon as possible if it detects internal corruption.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p>indexFactory</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>org.fusesource.leveldbjni.JniDBFactory, org.iq80.leveldb.impl.Iq80DBFactory</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>The factory classes to use when creating the LevelDB indexes</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p>indexMaxOpenFiles</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>1000</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>Number of open files that can be used by the index.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p>indexBlockRestartInterval</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>16</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>Number keys between r
 estart points for delta encoding of keys.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p>indexWriteBufferSize</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>6291456 (6 MB)</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>Amount of index data to build up in memory before converting to a sorted on-disk file.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p>indexBlockSize</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>4096 (4 K)</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>The size of index data packed per block.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p>indexCacheSize</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>268435456 (256 MB)</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>The maximum amount of off-heap memory to use to cache index blocks.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p>indexCompression</p></td><t
 d colspan="1" rowspan="1" class="confluenceTd"><p>snappy</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>The type of compression to apply to the index blocks. Can be snappy or none.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p>logCompression</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>none</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>The type of compression to apply to the log records. Can be snappy or none.</p></td></tr></tbody></table></div><p>For tuning locking properties please take a look at <a shape="rect" href="pluggable-storage-lockers.html">Pluggable storage lockers</a></p><h2 id="LevelDBStore-AlsoSee">Also See</h2><ul><li><a shape="rect" href="replicated-leveldb-store.html">Replicated LevelDB Store</a> An extended version of this store which self replicates to other broker nodes to increase message availability.</li></ul></div>
+</div></div><h3 id="LevelDBStore-LevelDBProperties">LevelDB Properties</h3><div class="table-wrap"><table class="confluenceTable"><tbody><tr><th colspan="1" rowspan="1" class="confluenceTh"><p>property name</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>default value</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>Comments</p></th></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p>directory</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>"LevelDB"</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>The directory which the store will use to hold it's data files. The store will create the directory if it does not already exist.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p>sync</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>true</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>If set to false, then the store does not sync logging operations to disk</p></td></tr><tr><td colspan="1" row
 span="1" class="confluenceTd"><p>logSize</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>104857600 (100 MB)</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>The max size (in bytes) of each data log file before log file rotation occurs.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p>verifyChecksums</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>false</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>Set to true to force checksum verification of all data that is read from the file system.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p>paranoidChecks</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>false</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>Make the store error out as soon as possible if it detects internal corruption.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p>indexFactory</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>org.f
 usesource.leveldbjni.JniDBFactory, org.iq80.leveldb.impl.Iq80DBFactory</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>The factory classes to use when creating the LevelDB indexes</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p>indexMaxOpenFiles</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>1000</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>Number of open files that can be used by the index.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p>indexBlockRestartInterval</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>16</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>Number keys between restart points for delta encoding of keys.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p>indexWriteBufferSize</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>6291456 (6 MB)</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>Amount of index data to build up in
  memory before converting to a sorted on-disk file.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p>indexBlockSize</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>4096 (4 K)</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>The size of index data packed per block.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p>indexCacheSize</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>268435456 (256 MB)</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>The maximum amount of off-heap memory to use to cache index blocks.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p>indexCompression</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>snappy</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>The type of compression to apply to the index blocks. Can be snappy or none.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p>logCompression</p></td><td colspan="1" 
 rowspan="1" class="confluenceTd"><p>none</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>The type of compression to apply to the log records. Can be snappy or none.</p></td></tr></tbody></table></div><p>For tuning locking properties please take a look at <a shape="rect" href="pluggable-storage-lockers.html">Pluggable storage lockers</a></p><h2 id="LevelDBStore-AlsoSee">Also See</h2><ul><li><a shape="rect" href="replicated-leveldb-store.html">Replicated LevelDB Store</a> An extended version of this store which self replicates to other broker nodes to increase message availability.</li></ul></div>
         </td>
         <td valign="top">
           <div class="navigation">

Modified: websites/production/activemq/content/replicated-leveldb-store.html
==============================================================================
--- websites/production/activemq/content/replicated-leveldb-store.html (original)
+++ websites/production/activemq/content/replicated-leveldb-store.html Tue Jul 21 17:24:22 2015
@@ -101,7 +101,7 @@
     ...
   &lt;/broker&gt;
 </pre>
-</div></div><h3 id="ReplicatedLevelDBStore-ReplicatedLevelDBStoreProperties">Replicated LevelDB Store Properties</h3><p>All the broker nodes that are part of the same replication set should have matching <code>brokerName</code> XML attributes. The following configuration properties should be the same on all the broker nodes that are part of the same replication set:</p><div class="table-wrap"><table class="confluenceTable"><tbody><tr><th colspan="1" rowspan="1" class="confluenceTh"><p>property name</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>default value</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>Comments</p></th></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>replicas</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>3</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>The number of nodes that will exist in the cluster. At least (replicas/2)+1 nodes must be online to avoid service outage.</p
 ></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>securityToken</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>&#160;</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>A security token which must match on all replication nodes for them to accept each others replication requests.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>zkAddress</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>127.0.0.1:2181</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>A comma separated list of ZooKeeper servers.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>zkPassword</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>&#160;</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>The password to use when connecting to the ZooKeeper server.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>zkPath</code></p></td><
 td colspan="1" rowspan="1" class="confluenceTd"><p><code>/default</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>The path to the ZooKeeper directory where Master/Slave election information will be exchanged.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>zkSessionTimeout</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>2s</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How quickly a node failure will be detected by ZooKeeper. (prior to 5.11 - this had a typo <span>zkSessionTmeout)</span></p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>sync</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>quorum_mem</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>Controls where updates are reside before being considered complete. This setting is a comma separated list of the following options: <code>local_mem</code>, <code>local_disk</code>, 
 <code>remote_mem</code>, <code>remote_disk</code>, <code>quorum_mem</code>, <code>quorum_disk</code>. If you combine two settings for a target, the stronger guarantee is used. For example, configuring <code>local_mem, local_disk</code> is the same as just using <code>local_disk</code>. quorum_mem is the same as <code>local_mem, remote_mem</code> and <code>quorum_disk</code> is the same as <code>local_disk, remote_disk</code></p></td></tr></tbody></table></div><p>Different replication sets can share the same <code>zkPath</code> as long they have different <code>brokerName</code>.</p><p>The following configuration properties can be unique per node:</p><div class="table-wrap"><table class="confluenceTable"><tbody><tr><th colspan="1" rowspan="1" class="confluenceTh"><p>property name</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>default value</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>Comments</p></th></tr><tr><td colspan="1" rowspan="1" class="confluenceTd
 "><p><code>bind</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>tcp://0.0.0.0:61619</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>When this node becomes a master, it will bind the configured address and port to service the replication protocol. Using dynamic ports is also supported. Just configure with <code>tcp://0.0.0.0:0</code></p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>hostname</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>&#160;</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>The host name used to advertise the replication service when this node becomes the master. If not set it will be automatically determined.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>weight</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>1</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>The replication node that has the latest update wi
 th the highest weight will become the master. Used to give preference to some nodes towards becoming master.</p></td></tr></tbody></table></div><p>The store also supports the same configuration properties of a standard <a shape="rect" href="leveldb-store.html">LevelDB Store</a> but it does not support the pluggable storage lockers :</p><h3 id="ReplicatedLevelDBStore-StandardLevelDBStoreProperties">Standard LevelDB Store Properties</h3><div class="table-wrap"><table class="confluenceTable"><tbody><tr><th colspan="1" rowspan="1" class="confluenceTh"><p>property name</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>default value</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>Comments</p></th></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>directory</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>LevelDB</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>The directory which the store will use to hold it'
 s data files. The store will create the directory if it does not already exist.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>readThreads</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>10</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>The number of concurrent IO read threads to allowed.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>logSize</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>104857600</code> (100 MB)</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>The max size (in bytes) of each data log file before log file rotation occurs.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>logWriteBufferSize</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>4194304</code> (4 MB)</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>That maximum amount of log data to build up before writing to th
 e file system.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>verifyChecksums</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>false</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>Set to true to force checksum verification of all data that is read from the file system.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>paranoidChecks</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>false</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>Make the store error out as soon as possible if it detects internal corruption.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>indexFactory</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>org.fusesource.leveldbjni.JniDBFactory, org.iq80.leveldb.impl.Iq80DBFactory</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>The factory classes to use when cre
 ating the LevelDB indexes</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>indexMaxOpenFiles</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>1000</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>Number of open files that can be used by the index.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>indexBlockRestartInterval</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>16</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>Number keys between restart points for delta encoding of keys.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>indexWriteBufferSize</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>6291456</code> (6 MB)</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>Amount of index data to build up in memory before converting to a sorted on-disk file.</p></td></tr><tr><td colspan="1" row
 span="1" class="confluenceTd"><p><code>indexBlockSize</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>4096</code> (4 K)</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>The size of index data packed per block.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>indexCacheSize</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>268435456</code> (256 MB)</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>The maximum amount of off-heap memory to use to cache index blocks.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>indexCompression</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>snappy</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>The type of compression to apply to the index blocks. Can be snappy or none.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>logCompression</code></p></td><td colspan="
 1" rowspan="1" class="confluenceTd"><p><code>none</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>The type of compression to apply to the log records. Can be snappy or none.</p></td></tr></tbody></table></div><div class="confluence-information-macro confluence-information-macro-warning"><p class="title">Caveats</p><span class="aui-icon aui-icon-small aui-iconfont-error confluence-information-macro-icon"></span><div class="confluence-information-macro-body"><p>The LevelDB store does not yet support storing data associated with <a shape="rect" href="delay-and-schedule-message-delivery.html">Delay and Schedule Message Delivery</a>. Those are are stored in a separate non-replicated KahaDB data files. Unexpected results will occur if you use <a shape="rect" href="delay-and-schedule-message-delivery.html">Delay and Schedule Message Delivery</a> with the replicated leveldb store since that data will be not be there when the master fails over to a slave.</p></div></div></
 div>
+</div></div><h3 id="ReplicatedLevelDBStore-ReplicatedLevelDBStoreProperties">Replicated LevelDB Store Properties</h3><p>All the broker nodes that are part of the same replication set should have matching <code>brokerName</code> XML attributes. The following configuration properties should be the same on all the broker nodes that are part of the same replication set:</p><div class="table-wrap"><table class="confluenceTable"><tbody><tr><th colspan="1" rowspan="1" class="confluenceTh"><p>property name</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>default value</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>Comments</p></th></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>replicas</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>3</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>The number of nodes that will exist in the cluster. At least (replicas/2)+1 nodes must be online to avoid service outage.</p
 ></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>securityToken</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>&#160;</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>A security token which must match on all replication nodes for them to accept each others replication requests.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>zkAddress</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>127.0.0.1:2181</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>A comma separated list of ZooKeeper servers.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>zkPassword</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>&#160;</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>The password to use when connecting to the ZooKeeper server.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>zkPath</code></p></td><
 td colspan="1" rowspan="1" class="confluenceTd"><p><code>/default</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>The path to the ZooKeeper directory where Master/Slave election information will be exchanged.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>zkSessionTimeout</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>2s</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How quickly a node failure will be detected by ZooKeeper. (prior to 5.11 - this had a typo <span>zkSessionTmeout)</span></p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>sync</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>quorum_mem</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>Controls where updates are reside before being considered complete. This setting is a comma separated list of the following options: <code>local_mem</code>, <code>local_disk</code>, 
 <code>remote_mem</code>, <code>remote_disk</code>, <code>quorum_mem</code>, <code>quorum_disk</code>. If you combine two settings for a target, the stronger guarantee is used. For example, configuring <code>local_mem, local_disk</code> is the same as just using <code>local_disk</code>. quorum_mem is the same as <code>local_mem, remote_mem</code> and <code>quorum_disk</code> is the same as <code>local_disk, remote_disk</code></p></td></tr></tbody></table></div><p>Different replication sets can share the same <code>zkPath</code> as long they have different <code>brokerName</code>.</p><p>The following configuration properties can be unique per node:</p><div class="table-wrap"><table class="confluenceTable"><tbody><tr><th colspan="1" rowspan="1" class="confluenceTh"><p>property name</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>default value</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>Comments</p></th></tr><tr><td colspan="1" rowspan="1" class="confluenceTd
 "><p><code>bind</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>tcp://0.0.0.0:61619</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>When this node becomes a master, it will bind the configured address and port to service the replication protocol. Using dynamic ports is also supported. Just configure with <code>tcp://0.0.0.0:0</code></p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>hostname</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>&#160;</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>The host name used to advertise the replication service when this node becomes the master. If not set it will be automatically determined.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>weight</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>1</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>The replication node that has the latest update wi
 th the highest weight will become the master. Used to give preference to some nodes towards becoming master.</p></td></tr></tbody></table></div><p>The store also supports the same configuration properties of a standard <a shape="rect" href="leveldb-store.html">LevelDB Store</a> but it does not support the pluggable storage lockers :</p><h3 id="ReplicatedLevelDBStore-StandardLevelDBStoreProperties">Standard LevelDB Store Properties</h3><div class="table-wrap"><table class="confluenceTable"><tbody><tr><th colspan="1" rowspan="1" class="confluenceTh"><p>property name</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>default value</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>Comments</p></th></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>directory</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>LevelDB</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>The directory which the store will use to hold it'
 s data files. The store will create the directory if it does not already exist.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>readThreads</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>10</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>The number of concurrent IO read threads to allowed.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>logSize</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>104857600</code> (100 MB)</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>The max size (in bytes) of each data log file before log file rotation occurs.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>verifyChecksums</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>false</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>Set to true to force checksum verification of all data that is read from the
  file system.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>paranoidChecks</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>false</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>Make the store error out as soon as possible if it detects internal corruption.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>indexFactory</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>org.fusesource.leveldbjni.JniDBFactory, org.iq80.leveldb.impl.Iq80DBFactory</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>The factory classes to use when creating the LevelDB indexes</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>indexMaxOpenFiles</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>1000</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>Number of open files that can be used by the index.</p></td></tr
 ><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>indexBlockRestartInterval</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>16</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>Number keys between restart points for delta encoding of keys.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>indexWriteBufferSize</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>6291456</code> (6 MB)</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>Amount of index data to build up in memory before converting to a sorted on-disk file.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>indexBlockSize</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>4096</code> (4 K)</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>The size of index data packed per block.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>indexCa
 cheSize</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>268435456</code> (256 MB)</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>The maximum amount of off-heap memory to use to cache index blocks.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>indexCompression</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>snappy</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>The type of compression to apply to the index blocks. Can be snappy or none.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>logCompression</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><code>none</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>The type of compression to apply to the log records. Can be snappy or none.</p></td></tr></tbody></table></div><div class="confluence-information-macro confluence-information-macro-warning"><p class="title">Cave
 ats</p><span class="aui-icon aui-icon-small aui-iconfont-error confluence-information-macro-icon"></span><div class="confluence-information-macro-body"><p>The LevelDB store does not yet support storing data associated with <a shape="rect" href="delay-and-schedule-message-delivery.html">Delay and Schedule Message Delivery</a>. Those are are stored in a separate non-replicated KahaDB data files. Unexpected results will occur if you use <a shape="rect" href="delay-and-schedule-message-delivery.html">Delay and Schedule Message Delivery</a> with the replicated leveldb store since that data will be not be there when the master fails over to a slave.</p></div></div></div>
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 <ul><li><a shape="rect" href="#UnixShellScript-Functionaloverview">Functional overview</a></li><li><a shape="rect" href="#UnixShellScript-Configuringtheinit-script">Configuring the init-script</a>
 <ul class="toc-indentation"><li><a shape="rect" href="#UnixShellScript-Version5.11.0andhigher">Version 5.11.0 and higher</a>