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From "Jiayi Zhou (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-10519) Add a configuration option to enable in-progress edit log tailing
Date Mon, 13 Jun 2016 21:14:03 GMT
Jiayi Zhou created HDFS-10519:
---------------------------------

             Summary: Add a configuration option to enable in-progress edit log tailing
                 Key: HDFS-10519
                 URL: https://issues.apache.org/jira/browse/HDFS-10519
             Project: Hadoop HDFS
          Issue Type: Improvement
          Components: ha
            Reporter: Jiayi Zhou
            Assignee: Jiayi Zhou
            Priority: Minor


Standby Namenode has the option to do in-progress edit log tailing to improve the data freshness.
In-progress tailing is already implemented, but it's not enabled as default configuration.
And there's no related configuration key to turn it on.
Adding a related configuration key to let Standby Namenode is reasonable and would be a basis
for further improvement on Standby Namenode.



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