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Posted to hdfs-issues@hadoop.apache.org by "dragon (JIRA)" <ji...@apache.org> on 2016/03/15 09:15:36 UTC

[jira] [Created] (HDFS-10024) CLONE - Fix the editlog corruption exposed by failed TestAddStripedBlocks

dragon created HDFS-10024:
-----------------------------

             Summary: CLONE - Fix the editlog corruption exposed by failed TestAddStripedBlocks
                 Key: HDFS-10024
                 URL: https://issues.apache.org/jira/browse/HDFS-10024
             Project: Hadoop HDFS
          Issue Type: Sub-task
            Reporter: dragon
            Assignee: Jing Zhao
             Fix For: HDFS-7285


{{TestAddStripedBlocks}} failed with some editlog corruption. Did some debugging, I can see at least two issues:
# DFSStripedOutputStream tries to send out an empty packet to close the block even if writing 0 bytes
# Because of the above, NN tries to close the file. This exposes another bug in {{BlockInfoStriped}}, which writes its data/parity block numbers into the close editlog but do not read them while loading.

This jira aims to only fix #2 and HDFS-8166 is used for fixing #1.



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