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https://issues.apache.org/jira/browse/HBASE-2696?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jonathan Gray updated HBASE-2696:
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Attachment: HBASE-2696-part1-v3-NewClasses_RS.patch
part1-v3 adds integration on the RS side and removes the singleton stuff for
ZKW. Adds a new class on the regionserver side {{MasterAddressManager}} which
encapsulates the watching/setting of the active master and is of the new
{{ZooKeeperListener}} style. There's some partial hack-up on the master side
to get things working in this mixed world. Also disables the regionserver and
master abort tests in TestZooKeeper (as we've discussed, masters and
regionservers don't restart themselves anymore).
> 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
>
>
> 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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