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Add note about not permanent state in zk 

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1561411 13f79535-47bb-0310-9956-ffa450edef68
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Michael Stack 2014-01-25 22:05:20 +00:00
parent cf9fd55406
commit 1975ce2ecb
1 changed files with 9 additions and 0 deletions
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src/main/docbkx/community.xml
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@ -99,6 +99,15 @@ until the justification for the -1 is addressed.
to the issue must happen in a new JIRA.
</para>
</section>
<section xml:id="no.permanent.state.in.zk">
<title>Only transient state in ZooKeeper!</title>
<para>
You should be able to kill the data in zookeeper and hbase should ride over it recreating the zk content as it goes.
This is an old adage around these parts. We just made note of it now. We also are currently in violation of this
basic tenet -- replication at least keeps permanent state in zk -- but we are working to undo this breaking of a
golden rule.
</para>
</section>
</section>
<section xml:id="community.roles">
<title>Community Roles</title>