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From "Konstantin Boudnik (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-10866) Decouple HLogSplitterHandler from ZooKeeper
Date Fri, 28 Mar 2014 22:56:19 GMT

    [ https://issues.apache.org/jira/browse/HBASE-10866?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13951541#comment-13951541
] 

Konstantin Boudnik commented on HBASE-10866:
--------------------------------------------

Thanks for the initial feedback, Stack! I think the main reason for doing this separation
one handler at a time and just on the RS side is to limit the scope of the patches and make
them easier to be digested. Would you suggest otherwise?

> Decouple HLogSplitterHandler from ZooKeeper
> -------------------------------------------
>
>                 Key: HBASE-10866
>                 URL: https://issues.apache.org/jira/browse/HBASE-10866
>             Project: HBase
>          Issue Type: Improvement
>          Components: regionserver, Zookeeper
>            Reporter: Mikhail Antonov
>         Attachments: HBASE-10866.patch
>
>
> As some sort of follow-up or initial step towards HBASE-10296...
> Whatever consensus algorithm/library may be the chosen, perhaps on of first practical
steps towards this goal would be to better abstract ZK-related API and details, which are
now throughout the codebase (mostly leaked throuth ZkUtil, ZooKeeperWatcher and listeners).
> I'd like to propose a series of patches to help better abstract out zookeeper (and then
help develop consensus APIs). 
> Here is first version of  patch for initial review (then I'm planning to work on another
handlers in regionserver, and then perhaps start working on abstracting listeners).



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