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Posted to hdfs-dev@hadoop.apache.org by "Colin Patrick McCabe (JIRA)" <ji...@apache.org> on 2013/11/05 01:58:17 UTC

[jira] [Created] (HDFS-5459) fix bootstrapStandby race condition introduced in HDFS-5080

Colin Patrick McCabe created HDFS-5459:
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             Summary: fix bootstrapStandby race condition introduced in HDFS-5080
                 Key: HDFS-5459
                 URL: https://issues.apache.org/jira/browse/HDFS-5459
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: qjm
    Affects Versions: 2.2.0
            Reporter: Colin Patrick McCabe


In HDFS-5080, we added the ability to fetch the in-progress edit log from {{JournalNodes}}.  However, in some cases, {{BootstrapStandby}} can now fetch entries that have not made it to a quorum of nodes, since we used lastWrittenTxid rather than the last committed txid.  We should fix this race condition.



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