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From "chunhui shen (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-6713) Stopping meta/root RS may take 50mins when splitting
Date Mon, 03 Sep 2012 05:57:09 GMT

     [ https://issues.apache.org/jira/browse/HBASE-6713?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

chunhui shen updated HBASE-6713:

    Attachment: HBASE-6713.patch
> Stopping meta/root RS may take 50mins when splitting
> ----------------------------------------------------
>                 Key: HBASE-6713
>                 URL: https://issues.apache.org/jira/browse/HBASE-6713
>             Project: HBase
>          Issue Type: Bug
>          Components: regionserver
>    Affects Versions: 0.94.1
>            Reporter: chunhui shen
>            Assignee: chunhui shen
>         Attachments: HBASE-6713.patch
> When we stop the RS carrying ROOT/META, if it is in the splitting for some region, the
whole stopping process may take 50 mins.
> The reason is :
> 1.ROOT/META region is closed when stopping the regionserver
> 2.The Split Transaction failed updating META and it will retry
> 3.The retry num is 100, and the total time is about 50 mins as default;
> This configuration is set by HConnectionManager#setServerSideHConnectionRetries
> I think 50 mins is too long to acceptable, my suggested solution is closing MetaTable
regions after the compact/split thread is closed

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