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Posted to hdfs-issues@hadoop.apache.org by "Colin Patrick McCabe (JIRA)" <ji...@apache.org> on 2014/01/16 03:02:22 UTC

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

     [ https://issues.apache.org/jira/browse/HDFS-5784?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Colin Patrick McCabe updated HDFS-5784:
---------------------------------------

    Attachment: HDFS-5784.001.patch

> 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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