Author: buildbot
Date: Fri May 17 15:21:51 2013
New Revision: 862266
Log:
Production update by buildbot for activemq
Modified:
websites/production/activemq/content/cache/main.pageCache
websites/production/activemq/content/replicated-leveldb-store.html
Modified: websites/production/activemq/content/cache/main.pageCache
==============================================================================
Binary files - no diff available.
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 Fri May
17 15:21:51 2013
@@ -74,7 +74,7 @@
<div class="wiki-content maincontent">
<div class="panelMacro"><table class="warningMacro"><colgroup span="1"><col
span="1" width="24"><col span="1"></colgroup><tr><td colspan="1" rowspan="1"
valign="top"><img align="middle"
src="https://cwiki.apache.org/confluence/images/icons/emoticons/forbidden.gif";
width="16" height="16" alt="" border="0"></td><td colspan="1"
rowspan="1"><b>Version Compatibility</b><br clear="none">Not yet released.
Will be available in ActiveMQ 5.9.0. Get it from a nightly <a shape="rect"
class="external-link"
href="http://repository.apache.org/service/local/artifact/maven/redirect?r=snapshots&g=org.apache.activemq&a=apache-activemq&v=5.9-SNAPSHOT&e=tar.gz&c=bin";>SNAPSHOT
build</a>.</td></tr></table></div>
-<h2><a shape="rect" name="ReplicatedLevelDBStore-Synopsis"></a>Synopsis </h2>
+<h2><a shape="rect" name="ReplicatedLevelDBStore-Synopsis"></a>Synopsis</h2>
<p>The Replicated LevelDB Store uses Apache ZooKeeper to pick a muster from a
set of broker nodes configured to replicate a LevelDB Store. Then synchronizes
all slave LevelDB Stores with the master keeps them up to date by replicating
all updates from the master.</p>
@@ -111,7 +111,7 @@ failover:(tcp:<span class="code-comment"
<broker brokerName=<span class="code-quote">"broker"</span> ... >
...
<persistenceAdapter>
- <replicatedLevelDB
+ <replicatedLevelDB
directory=<span class="code-quote">"activemq-data"</span>
replicas=<span class="code-quote">"2"</span>
bind=<span class="code-quote">"tcp:<span
class="code-comment">//0.0.0.0:0"</span>
@@ -130,7 +130,7 @@ failover:(tcp:<span class="code-comment"
<p>All the broker nodes that are part of the same replication set should have
matching <tt>brokerName</tt> 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"> property name </th><th colspan="1" rowspan="1"
class="confluenceTh"> default value </th><th colspan="1" rowspan="1"
class="confluenceTh"> Comments </th></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"> replicas </td><td colspan="1" rowspan="1"
class="confluenceTd"> 2 </td><td colspan="1" rowspan="1" class="confluenceTd">
The number of store replicas that will exist in the cluster. At least
(replicas/2)+1 nodes must be online to avoid service outage. </td></tr><tr><td
colspan="1" rowspan="1" class="confluenceTd"> securityToken </td><td
colspan="1" rowspan="1" class="confluenceTd"> </td><td colspan="1"
rowspan="1" class="confluenceTd"> A security token which must match on all
replication nodes for them to accept each others replication requests.
</td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"> zkAddress
</td><td colspan="1" rowspan="1" class="confluenceTd">
127.0.0.1:2181 </td><td colspan="1" rowspan="1" class="confluenceTd"> A comma
separated list of ZooKeeper servers. </td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"> zkPassword </td><td colspan="1" rowspan="1"
class="confluenceTd"> </td><td colspan="1" rowspan="1"
class="confluenceTd"> The password to use when connecting to the ZooKeeper
server. </td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"> zkPath
</td><td colspan="1" rowspan="1" class="confluenceTd"> /default </td><td
colspan="1" rowspan="1" class="confluenceTd"> The path to the ZooKeeper
directory where Master/Slave election information will be exchanged.
</td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"> zkSessionTmeout
</td><td colspan="1" rowspan="1" class="confluenceTd"> 2s </td><td colspan="1"
rowspan="1" class="confluenceTd"> How quickly a node failure will be detected
by ZooKeeper. </td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd">
sync </td><td colspan=
"1" rowspan="1" class="confluenceTd"> quorum_mem </td><td colspan="1"
rowspan="1" class="confluenceTd"> Controls where updates are reside before
being considered complete. This setting is a comma separated list of the
following options: local_mem, local_disk, remote_mem, remote_disk, quorum_mem,
quorum_disk. If you combine two settings for a target, the stronger guarantee
is used. For example, configuring 'local_mem, local_disk' results in
'local_disk'. quorum_mem is the same as 'local_mem, remote_mem' and
'quorum_disk' is the same as 'local_disk, remote_disk'
</td></tr></tbody></table>
+<table class="confluenceTable"><tbody><tr><th colspan="1" rowspan="1"
class="confluenceTh"> property name </th><th colspan="1" rowspan="1"
class="confluenceTh"> default value </th><th colspan="1" rowspan="1"
class="confluenceTh"> Comments </th></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"> <tt>replicas</tt> </td><td colspan="1" rowspan="1"
class="confluenceTd"> <tt>2</tt> </td><td colspan="1" rowspan="1"
class="confluenceTd"> The number of store replicas that will exist in the
cluster. At least (replicas/2)+1 nodes must be online to avoid service outage.
</td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd">
<tt>securityToken</tt> </td><td colspan="1" rowspan="1"
class="confluenceTd"> </td><td colspan="1" rowspan="1"
class="confluenceTd"> A security token which must match on all replication
nodes for them to accept each others replication requests. </td></tr><tr><td
colspan="1" rowspan="1" class="confluenceTd"> <tt>zkAddress</tt> </td><td
colspan="
1" rowspan="1" class="confluenceTd"> <tt>127.0.0.1:2181</tt> </td><td
colspan="1" rowspan="1" class="confluenceTd"> A comma separated list of
ZooKeeper servers. </td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"> <tt>zkPassword</tt> </td><td colspan="1" rowspan="1"
class="confluenceTd"> </td><td colspan="1" rowspan="1"
class="confluenceTd"> The password to use when connecting to the ZooKeeper
server. </td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd">
<tt>zkPath</tt> </td><td colspan="1" rowspan="1" class="confluenceTd">
<tt>/default</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> The
path to the ZooKeeper directory where Master/Slave election information will be
exchanged. </td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd">
<tt>zkSessionTmeout</tt> </td><td colspan="1" rowspan="1" class="confluenceTd">
<tt>2s</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> How quickly
a node failure will be detected by ZooKeep
er. </td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd">
<tt>sync</tt> </td><td colspan="1" rowspan="1" class="confluenceTd">
<tt>quorum_mem</tt> </td><td colspan="1" rowspan="1" class="confluenceTd">
Controls where updates are reside before being considered complete. This
setting is a comma separated list of the following options: <tt>local_mem</tt>,
<tt>local_disk</tt>, <tt>remote_mem</tt>, <tt>remote_disk</tt>,
<tt>quorum_mem</tt>, <tt>quorum_disk</tt>. If you combine two settings for a
target, the stronger guarantee is used. For example, configuring
<tt>local_mem, local_disk</tt> is the same as just using <tt>local_disk</tt>.
quorum_mem is the same as <tt>local_mem, remote_mem</tt> and
<tt>quorum_disk</tt> is the same as <tt>local_disk, remote_disk</tt>
</td></tr></tbody></table>
</div>
@@ -140,7 +140,7 @@ failover:(tcp:<span class="code-comment"
<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"> property name </th><th colspan="1" rowspan="1"
class="confluenceTh"> default value </th><th colspan="1" rowspan="1"
class="confluenceTh"> Comments </th></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"> bind </td><td colspan="1" rowspan="1"
class="confluenceTd"> tcp://0.0.0.0:61619 </td><td colspan="1" rowspan="1"
class="confluenceTd"> 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
'tcp://0.0.0.0:0'</td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"> hostname </td><td colspan="1" rowspan="1"
class="confluenceTd"> </td><td colspan="1" rowspan="1"
class="confluenceTd"> The host name used to advertise the replication service
when this node becomes the master. If not set it will be automatically
determined. </td></tr></tbody></table>
+<table class="confluenceTable"><tbody><tr><th colspan="1" rowspan="1"
class="confluenceTh"> property name </th><th colspan="1" rowspan="1"
class="confluenceTh"> default value </th><th colspan="1" rowspan="1"
class="confluenceTh"> Comments </th></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"> <tt>bind</tt> </td><td colspan="1" rowspan="1"
class="confluenceTd"> <tt>tcp://0.0.0.0:61619</tt> </td><td colspan="1"
rowspan="1" class="confluenceTd"> 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 <tt>tcp://0.0.0.0:0</tt>
</td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd">
<tt>hostname</tt> </td><td colspan="1" rowspan="1"
class="confluenceTd"> </td><td colspan="1" rowspan="1"
class="confluenceTd"> The host name used to advertise the replication service
when this node becomes the master. If not set it will be automatically determi
ned. </td></tr></tbody></table>
</div>
@@ -149,7 +149,7 @@ failover:(tcp:<span class="code-comment"
<h3><a shape="rect"
name="ReplicatedLevelDBStore-StandardLevelDBStoreProperties"></a>Standard
LevelDB Store Properties</h3>
<div class="table-wrap">
-<table class="confluenceTable"><tbody><tr><th colspan="1" rowspan="1"
class="confluenceTh"> property name </th><th colspan="1" rowspan="1"
class="confluenceTh"> default value </th><th colspan="1" rowspan="1"
class="confluenceTh"> Comments </th></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"> directory </td><td colspan="1" rowspan="1"
class="confluenceTd"> "LevelDB" </td><td colspan="1" rowspan="1"
class="confluenceTd"> 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.
</td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"> readThreads
</td><td colspan="1" rowspan="1" class="confluenceTd"> 10 </td><td colspan="1"
rowspan="1" class="confluenceTd"> The number of concurrent IO read threads to
allowed. </td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd">
logSize </td><td colspan="1" rowspan="1" class="confluenceTd"> 104857600 (100
MB) </td><td colspan="1" rowspan="1" class
="confluenceTd"> The max size (in bytes) of each data log file before log file
rotation occurs. </td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"> logWriteBufferSize </td><td colspan="1" rowspan="1"
class="confluenceTd"> 4194304 (4 MB) </td><td colspan="1" rowspan="1"
class="confluenceTd"> That maximum amount of log data to build up before
writing to the file system. </td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"> verifyChecksums </td><td colspan="1" rowspan="1"
class="confluenceTd"> false </td><td colspan="1" rowspan="1"
class="confluenceTd"> Set to true to force checksum verification of all data
that is read from the file system. </td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"> paranoidChecks </td><td colspan="1" rowspan="1"
class="confluenceTd"> false </td><td colspan="1" rowspan="1"
class="confluenceTd"> Make the store error out as soon as possible if it
detects internal corruption. </td></tr><tr><td colspan="1" rowspan="1" cla
ss="confluenceTd"> indexFactory </td><td colspan="1" rowspan="1"
class="confluenceTd"> org.fusesource.leveldbjni.JniDBFactory,
org.iq80.leveldb.impl.Iq80DBFactory </td><td colspan="1" rowspan="1"
class="confluenceTd"> The factory classes to use when creating the LevelDB
indexes </td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd">
indexMaxOpenFiles </td><td colspan="1" rowspan="1" class="confluenceTd"> 1000
</td><td colspan="1" rowspan="1" class="confluenceTd"> Number of open files
that can be used by the index. </td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"> indexBlockRestartInterval </td><td colspan="1"
rowspan="1" class="confluenceTd"> 16 </td><td colspan="1" rowspan="1"
class="confluenceTd"> Number keys between restart points for delta encoding of
keys. </td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd">
indexWriteBufferSize </td><td colspan="1" rowspan="1" class="confluenceTd">
6291456 (6 MB) </td><td colspan="1" rowspan="1" class="
confluenceTd"> Amount of index data to build up in memory before converting to
a sorted on-disk file. </td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"> indexBlockSize </td><td colspan="1" rowspan="1"
class="confluenceTd"> 4096 (4 K) </td><td colspan="1" rowspan="1"
class="confluenceTd"> The size of index data packed per block.
</td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"> indexCacheSize
</td><td colspan="1" rowspan="1" class="confluenceTd"> 268435456 (256 MB)
</td><td colspan="1" rowspan="1" class="confluenceTd"> The maximum amount of
off-heap memory to use to cache index blocks. </td></tr><tr><td colspan="1"
rowspan="1" class="confluenceTd"> indexCompression </td><td colspan="1"
rowspan="1" class="confluenceTd"> snappy </td><td colspan="1" rowspan="1"
class="confluenceTd"> The type of compression to apply to the index blocks.
Can be snappy or none. </td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"> logCompression </td><td colspa
n="1" rowspan="1" class="confluenceTd"> none </td><td colspan="1" rowspan="1"
class="confluenceTd"> The type of compression to apply to the log records. Can
be snappy or none. </td></tr></tbody></table>
+<table class="confluenceTable"><tbody><tr><th colspan="1" rowspan="1"
class="confluenceTh"> property name </th><th colspan="1" rowspan="1"
class="confluenceTh"> default value </th><th colspan="1" rowspan="1"
class="confluenceTh"> Comments </th></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"> <tt>directory</tt> </td><td colspan="1" rowspan="1"
class="confluenceTd"> <tt>LevelDB</tt> </td><td colspan="1" rowspan="1"
class="confluenceTd"> 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.
</td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd">
<tt>readThreads</tt> </td><td colspan="1" rowspan="1" class="confluenceTd">
<tt>10</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> The number
of concurrent IO read threads to allowed. </td></tr><tr><td colspan="1"
rowspan="1" class="confluenceTd"> <tt>logSize</tt> </td><td colspan="1"
rowspan="1" class="confluenceTd"> <tt>104857600<
/tt> (100 MB) </td><td colspan="1" rowspan="1" class="confluenceTd"> The max
size (in bytes) of each data log file before log file rotation occurs.
</td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd">
<tt>logWriteBufferSize</tt> </td><td colspan="1" rowspan="1"
class="confluenceTd"> <tt>4194304</tt> (4 MB) </td><td colspan="1" rowspan="1"
class="confluenceTd"> That maximum amount of log data to build up before
writing to the file system. </td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"> <tt>verifyChecksums</tt> </td><td colspan="1" rowspan="1"
class="confluenceTd"> <tt>false</tt> </td><td colspan="1" rowspan="1"
class="confluenceTd"> Set to true to force checksum verification of all data
that is read from the file system. </td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"> <tt>paranoidChecks</tt> </td><td colspan="1" rowspan="1"
class="confluenceTd"> <tt>false</tt> </td><td colspan="1" rowspan="1"
class="confluenceTd"> Make the store erro
r out as soon as possible if it detects internal corruption. </td></tr><tr><td
colspan="1" rowspan="1" class="confluenceTd"> <tt>indexFactory</tt> </td><td
colspan="1" rowspan="1" class="confluenceTd">
<tt>org.fusesource.leveldbjni.JniDBFactory,
org.iq80.leveldb.impl.Iq80DBFactory</tt> </td><td colspan="1" rowspan="1"
class="confluenceTd"> The factory classes to use when creating the LevelDB
indexes </td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd">
<tt>indexMaxOpenFiles</tt> </td><td colspan="1" rowspan="1"
class="confluenceTd"> <tt>1000</tt> </td><td colspan="1" rowspan="1"
class="confluenceTd"> Number of open files that can be used by the index.
</td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd">
<tt>indexBlockRestartInterval</tt> </td><td colspan="1" rowspan="1"
class="confluenceTd"> <tt>16</tt> </td><td colspan="1" rowspan="1"
class="confluenceTd"> Number keys between restart points for delta encoding of
keys. </td></tr><tr><td colspan="1" rowsp
an="1" class="confluenceTd"> <tt>indexWriteBufferSize</tt> </td><td
colspan="1" rowspan="1" class="confluenceTd"> <tt>6291456</tt> (6 MB) </td><td
colspan="1" rowspan="1" class="confluenceTd"> Amount of index data to build up
in memory before converting to a sorted on-disk file. </td></tr><tr><td
colspan="1" rowspan="1" class="confluenceTd"> <tt>indexBlockSize</tt> </td><td
colspan="1" rowspan="1" class="confluenceTd"> <tt>4096</tt> (4 K) </td><td
colspan="1" rowspan="1" class="confluenceTd"> The size of index data packed per
block. </td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd">
<tt>indexCacheSize</tt> </td><td colspan="1" rowspan="1" class="confluenceTd">
<tt>268435456</tt> (256 MB) </td><td colspan="1" rowspan="1"
class="confluenceTd"> The maximum amount of off-heap memory to use to cache
index blocks. </td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd">
<tt>indexCompression</tt> </td><td colspan="1" rowspan="1"
class="confluenceTd"> <tt>snappy<
/tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> The type of
compression to apply to the index blocks. Can be snappy or none.
</td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd">
<tt>logCompression</tt> </td><td colspan="1" rowspan="1" class="confluenceTd">
<tt>none</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> The type
of compression to apply to the log records. Can be snappy or none.
</td></tr></tbody></table>
</div>
</div>
![https://cwiki.apache.org/confluence/images/icons/emoticons/forbidden.gif"](https://cwiki.apache.org/confluence/images/icons/emoticons/forbidden.gif"){kind=link}