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Add caution on enabling zookeeper maintenance

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git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1400955 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Michael Stack 2012-10-22 17:04:56 +00:00
parent b27d0319c0
commit 7efd1694dc
1 changed files with 34 additions and 25 deletions
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9
src/docbkx/zookeeper.xml
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@ -137,6 +137,15 @@
</property>
...
&lt;/configuration&gt;</programlisting></para>
<caution>
<title>ZooKeeper Maintenance</title>
<para>Be sure to set up the data dir cleaner described under
<link xlink:href="http://zookeeper.apache.org/doc/r3.1.2/zookeeperAdmin.html#sc_maintenance">Zookeeper Maintenance</link> else you could
have 'interesting' problems a couple of months in; i.e. zookeeper could start
dropping sessions if it has to run through a directory of hundreds of thousands of
logs which is wont to do around leader reelection time -- a process rare but run on
occasion whether because a machine is dropped or happens to hiccup.</para>
</caution>
<section>
<title>Using existing ZooKeeper ensemble</title>