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From "Arpit Agarwal (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-6929) NN periodically unlinks lazy persist files with missing replicas from namespace
Date Sat, 23 Aug 2014 21:08:11 GMT
Arpit Agarwal created HDFS-6929:
-----------------------------------

             Summary: NN periodically unlinks lazy persist files with missing replicas from
namespace
                 Key: HDFS-6929
                 URL: https://issues.apache.org/jira/browse/HDFS-6929
             Project: Hadoop HDFS
          Issue Type: Sub-task
            Reporter: Arpit Agarwal
            Assignee: Arpit Agarwal
             Fix For: HDFS-6581


Occasional data loss is expected when using the lazy persist flag due to node restarts. The
NN will optionally unlink lazy persist files from the namespace to avoid them from showing
up as corrupt files.

This behavior can be turned off with a global option. In the future this may be made a per-file
option controllable by the client.



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