[jira] Updated: (HBASE-2735) Make HBASE-2694 replication-friendly

["Jean-Daniel Cryans (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-2735?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jean-Daniel Cryans updated HBASE-2735:
--------------------------------------

    Summary: Make HBASE-2694 replication-friendly  (was: Make HBASE-2694-friendly)

> Make HBASE-2694 replication-friendly
> ------------------------------------
>
>                 Key: HBASE-2735
>                 URL: https://issues.apache.org/jira/browse/HBASE-2735
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Jean-Daniel Cryans
>            Assignee: Jean-Daniel Cryans
>            Priority: Blocker
>             Fix For: 0.21.0
>
>
> HBASE-2694 did a good bit of reworking around ZK, and removed/changed some pieces that were needed for replication to work correctly. Mainly 2 things:
>  - listZnodes needs to offer a version that takes a Watcher, else registering yourself as a listener is too much of a pain since you then filter a lot of stuff based on the path of the event/
>  - A lot more important, the new Multiton implemented in ZKW prevents from starting multiple clusters inside the same JVM since both masters would use the same "name".
> I will provide a patch for both issues.

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