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Posted to issues@hbase.apache.org by "Jimmy Xiang (JIRA)" <ji...@apache.org> on 2013/09/12 01:09:51 UTC

[jira] [Created] (HBASE-9514) Prevent region from assigning before log splitting is done

Jimmy Xiang created HBASE-9514:
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             Summary: Prevent region from assigning before log splitting is done
                 Key: HBASE-9514
                 URL: https://issues.apache.org/jira/browse/HBASE-9514
             Project: HBase
          Issue Type: Bug
          Components: Region Assignment
            Reporter: Jimmy Xiang
            Assignee: Jimmy Xiang


If a region is assigned before log splitting is done by the server shutdown handler, the edits belonging to this region in the hlogs of the dead server will be lost.

Generally this is not an issue if users don't assign/unassign a region from hbase shell or via hbase admin. These commands are marked for experts only in the hbase shell help too.  However, chaos monkey doesn't care.

If we can prevent from assigning such regions in a bad time, it would make things a little safer.

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