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Posted to hdfs-issues@hadoop.apache.org by "Lei (Eddy) Xu (JIRA)" <ji...@apache.org> on 2017/09/29 23:47:00 UTC

[jira] [Created] (HDFS-12569) Unset EC policy logs empty payload in edit log

Lei (Eddy) Xu created HDFS-12569:
------------------------------------

             Summary: Unset EC policy logs empty payload in edit log
                 Key: HDFS-12569
                 URL: https://issues.apache.org/jira/browse/HDFS-12569
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: erasure-coding
    Affects Versions: 3.0.0-alpha4
            Reporter: Lei (Eddy) Xu
            Assignee: Lei (Eddy) Xu
            Priority: Blocker


The edit log generated by {{hdfs ec -unsetPolicy}} generates an {{OP_REMOVE_XATTR}} entry in edit logs, but the payload is missing:

{code}
  <RECORD>
    <OPCODE>OP_REMOVE_XATTR</OPCODE>
    <DATA>
      <TXID>420481</TXID>
      <SRC>/</SRC>
      <RPC_CLIENTID>b098e758-9d7f-48b7-aa91-80ca52133b09</RPC_CLIENTID>
      <RPC_CALLID>0</RPC_CALLID>
    </DATA>
  </RECORD>
{code}

As a result, when Active NN restarts, or the Standby NN replay edits, this op has not effect.





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