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From "Ming Ma (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-7123) Run legacy fsimage checkpoint in parallel with PB fsimage checkpoint
Date Mon, 22 Sep 2014 19:43:33 GMT
Ming Ma created HDFS-7123:
-----------------------------

             Summary: Run legacy fsimage checkpoint in parallel with PB fsimage checkpoint
                 Key: HDFS-7123
                 URL: https://issues.apache.org/jira/browse/HDFS-7123
             Project: Hadoop HDFS
          Issue Type: Improvement
            Reporter: Ming Ma


HDFS-7097 will address the checkpoint and BR issue. In addition, it might still be useful
to reduce the overall checkpoint duration, given it blocks edit log replay. If there is large
volume of edit log to catch up and NN fail overs, it will impact the availability.



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