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https://issues.apache.org/jira/browse/HBASE-2696?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12885806#action_12885806
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Jonathan Gray commented on HBASE-2696:
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I re-enabled TestZooKeeper.testRegionServerSessionExpired() in the branch. The
only test that is still disabled is the master session expiration but that's
because i removed the auto restart on the master. After a discussion with jd
we might be able to safely allow that. In any case, need to extend the hbase
testing toolkit to support multiple masters so we can test failover.
> ZooKeeper cleanup and refactor
> ------------------------------
>
> Key: HBASE-2696
> URL: https://issues.apache.org/jira/browse/HBASE-2696
> Project: HBase
> Issue Type: Sub-task
> Components: master, regionserver, zookeeper
> Reporter: Jonathan Gray
> Assignee: Jonathan Gray
> Priority: Critical
> Fix For: 0.21.0
>
> Attachments: HBASE-2696-part1-NewClasses_NotIntegrated.patch,
> HBASE-2696-part1-v2-NewClasses_NotIntegrated.patch,
> HBASE-2696-part1-v3-NewClasses_RS.patch,
> HBASE-2696-part1-v4-NewClasses_RS_Tested.patch,
> HBASE-2696-part1-v5-NewClasses_RS_Tested.patch
>
>
> Currently almost everything we do with ZooKeeper is stuffed into a single
> class {{ZookeeperWrapper}}.
> This issue will deal with cleaning up our usage of ZK, adding some new
> abstractions to help with the master changes, splitting up watchers from
> utility methods, and nailing down the contracts of our ZK methods with
> respect to setting watchers, throwing exceptions, etc...
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