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From "Matteo Bertozzi (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-7841) Parallelize offline snapshot in DisabledTableSnapshotHandler
Date Mon, 04 Mar 2013 18:53:12 GMT

    [ https://issues.apache.org/jira/browse/HBASE-7841?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13592494#comment-13592494
] 

Matteo Bertozzi commented on HBASE-7841:
----------------------------------------

Why not just using an ExecutorCompletionService with a Callable as we have in other places
like: https://github.com/apache/hbase/blob/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HStore.java#L433
                
> 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
>         Attachments: 7841.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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