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From "Jonathan Hsieh (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-7471) Enable Cleaners required for Snapshots by default?
Date Tue, 01 Jan 2013 00:16:12 GMT

    [ https://issues.apache.org/jira/browse/HBASE-7471?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13541543#comment-13541543
] 

Jonathan Hsieh commented on HBASE-7471:
---------------------------------------


This needs double checking, but i believe:
* zk doesn't add threads. (all ZK listeners should be dispatched from the same thread)
* subprocedure pool shouldn't have much impact if we chose the right kind of thread pool (e.g.
one that kills off threads if they are all idle).  
* procedures and subprocedures don't use threads until they are kicked off.

                
> Enable Cleaners required for Snapshots by default?
> --------------------------------------------------
>
>                 Key: HBASE-7471
>                 URL: https://issues.apache.org/jira/browse/HBASE-7471
>             Project: HBase
>          Issue Type: Sub-task
>          Components: Client, master, regionserver, snapshots, Zookeeper
>            Reporter: Jonathan Hsieh
>             Fix For: hbase-6055, 0.96.0
>
>
> Maybe we should just enable snapshots by default.  Discuss.

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