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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-7841) Parallelize offline snapshot in DisabledTableSnapshotHandler
Date Mon, 04 Mar 2013 22:31:13 GMT

     [ https://issues.apache.org/jira/browse/HBASE-7841?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ted Yu updated HBASE-7841:
--------------------------

    Attachment: 7841-v3.txt

Thanks for the questions, Jesse.

Patch v3 groups file copy in CopyRecoveredEditsTask.

This should lower round trips to namenode.
                
> Parallelize offline snapshot in DisabledTableSnapshotHandler
> ------------------------------------------------------------
>
>                 Key: HBASE-7841
>                 URL: https://issues.apache.org/jira/browse/HBASE-7841
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: Ted Yu
>            Assignee: Ted Yu
>             Fix For: 0.98.0
>
>         Attachments: 7841.txt, 7841-v2.txt, 7841-v3.txt
>
>
> In DisabledTableSnapshotHandler, there is TODO:
> {code}
>   // TODO consider parallelizing these operations since they are independent. Right now
its just
>   // easier to keep them serial though
>   @Override
>   public void snapshotRegions(List<Pair<HRegionInfo, ServerName>> regionsAndLocations)
throws IOException,
> {code}

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