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From "Sean Busbey (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-14128) Fix inability to run Multiple MR over the same Snapshot
Date Tue, 09 Aug 2016 14:06:21 GMT

     [ https://issues.apache.org/jira/browse/HBASE-14128?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sean Busbey updated HBASE-14128:
--------------------------------
    Labels: beginner  (was: beginner noob)

> Fix inability to run Multiple MR over the same Snapshot
> -------------------------------------------------------
>
>                 Key: HBASE-14128
>                 URL: https://issues.apache.org/jira/browse/HBASE-14128
>             Project: HBase
>          Issue Type: Bug
>          Components: mapreduce, snapshots
>            Reporter: Matteo Bertozzi
>            Assignee: santosh kumar
>            Priority: Minor
>              Labels: beginner
>         Attachments: HBASE-14128-v0.patch
>
>
> from the list, running multiple MR over the same snapshot does not work
> {code}
> public static void copySnapshotForScanner(Configuration conf, FileSystem ..
>     RestoreSnapshotHelper helper = new RestoreSnapshotHelper(conf, fs,
>       manifest, manifest.getTableDescriptor(), restoreDir, monitor, status);
> {code}
> the problem is that manifest.getTableDescriptor() will try to clone the snapshot with
the same target name. ending up in "file already exist" exceptions.
> we just need to clone that descriptor and generate a new target table name



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