FAQ
Add code to list which edit logs are available on a remote NN
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Key: HDFS-1794
URL: https://issues.apache.org/jira/browse/HDFS-1794
Project: Hadoop HDFS
Issue Type: Sub-task
Reporter: Todd Lipcon
Assignee: Todd Lipcon




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  • Todd Lipcon (JIRA) at Apr 1, 2011 at 3:52 am
    [ https://issues.apache.org/jira/browse/HDFS-1794?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

    Todd Lipcon resolved HDFS-1794.
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    Resolution: Fixed
    Add code to list which edit logs are available on a remote NN
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    Key: HDFS-1794
    URL: https://issues.apache.org/jira/browse/HDFS-1794
    Project: Hadoop HDFS
    Issue Type: Sub-task
    Affects Versions: Edit log branch (HDFS-1073)
    Reporter: Todd Lipcon
    Assignee: Todd Lipcon
    Fix For: Edit log branch (HDFS-1073)

    Attachments: hdfs-1794.txt, hdfs-1794.txt


    When the 2NN or BN needs to sync up with the primary NN, it may need to download several different edits files since the NN may roll whenever it likes. This JIRA adds a new type called RemoteEditLogManifest to list the available edit log files since a given transaction ID. This may also be useful for monitoring or backup tools down the road.
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postedMar 29, '11 at 7:45a
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