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Posted to hdfs-dev@hadoop.apache.org by "Colin Patrick McCabe (JIRA)" <ji...@apache.org> on 2014/01/16 03:02:19 UTC

[jira] [Created] (HDFS-5784) reserve space in edit log header and fsimage header for feature flag section

Colin Patrick McCabe created HDFS-5784:
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             Summary: reserve space in edit log header and fsimage header for feature flag section
                 Key: HDFS-5784
                 URL: https://issues.apache.org/jira/browse/HDFS-5784
             Project: Hadoop HDFS
          Issue Type: Sub-task
          Components: namenode
    Affects Versions: 2.4.0
            Reporter: Colin Patrick McCabe
            Assignee: Colin Patrick McCabe
         Attachments: HDFS-5784.001.patch

We should reserve space in the edit log header and fsimage header so that we can add layout feature flags later in a compatible manner.



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