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From "huaxiang sun (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-18256) Option to parallelize restoreStoreFile in RestoreSnapshotHelper#cloneRegion
Date Thu, 22 Jun 2017 00:29:00 GMT
huaxiang sun created HBASE-18256:
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             Summary: Option to parallelize restoreStoreFile in RestoreSnapshotHelper#cloneRegion
                 Key: HBASE-18256
                 URL: https://issues.apache.org/jira/browse/HBASE-18256
             Project: HBase
          Issue Type: Improvement
          Components: mob
    Affects Versions: 2.0.0-alpha-1
            Reporter: huaxiang sun
            Assignee: huaxiang sun
            Priority: Minor


In one of the MOB case, we found that cloneSnapshot of a MOB enabled table took very long
time. The reason is that for the MOB region, there are lots of MOB files. It took long time
to clone the MOB region.  In order to speed up cloneSnapshot, we will provide an option to
 parallelize restoreStoreFile in RestoreSnapshotHelper#cloneRegion, so MOB can take advantage
of it. For non-MOB tables, it will keep the current behavior.



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