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From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-3859) QJM: implement md5sum verification
Date Mon, 27 Aug 2012 20:23:09 GMT
Todd Lipcon created HDFS-3859:
---------------------------------

             Summary: QJM: implement md5sum verification
                 Key: HDFS-3859
                 URL: https://issues.apache.org/jira/browse/HDFS-3859
             Project: Hadoop HDFS
          Issue Type: Sub-task
    Affects Versions: QuorumJournalManager (HDFS-3077)
            Reporter: Todd Lipcon
            Assignee: Todd Lipcon


When the QJM passes journal segments between nodes, it should use an md5sum field to make
sure the data doesn't get corrupted during transit. This also serves as an extra safe-guard
to make sure that the data is consistent across all nodes when finalizing a segment.

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