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From "Gregory Chanan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-6260) balancer state should be stored in ZK
Date Thu, 13 Sep 2012 02:04:08 GMT

    [ https://issues.apache.org/jira/browse/HBASE-6260?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13454577#comment-13454577

Gregory Chanan commented on HBASE-6260:


- I don't know what's going on with ClientProtos.java.  I've noticed that a few times when
I regenerate, the generated code changes.  I'll leave it out.
- I think PB_MAGIC is a good idea.  I noticed without it, an empty (newly-created) znode is
valid for the purposes of mergeFrom.  Not likely to happen, but probably best to have it throw
an error in that case.
> balancer state should be stored in ZK
> -------------------------------------
>                 Key: HBASE-6260
>                 URL: https://issues.apache.org/jira/browse/HBASE-6260
>             Project: HBase
>          Issue Type: Task
>          Components: master, zookeeper
>    Affects Versions: 0.96.0
>            Reporter: Gregory Chanan
>            Assignee: Gregory Chanan
>            Priority: Blocker
>         Attachments: HBASE-6260.patch
> See: https://issues.apache.org/jira/browse/HBASE-5953?focusedCommentId=13270200&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13270200
> And: https://issues.apache.org/jira/browse/HBASE-5630?focusedCommentId=13399225&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13399225
> In short, we need to move the balancer state to ZK so that it won't have to be restarted
if the master dies.

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