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Posted to hdfs-dev@hadoop.apache.org by "Todd Lipcon (JIRA)" <ji...@apache.org> on 2011/04/01 05:52:05 UTC

[jira] [Resolved] (HDFS-1794) Add code to list which edit logs are available on a remote NN

     [ https://issues.apache.org/jira/browse/HDFS-1794?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Todd Lipcon resolved HDFS-1794.
-------------------------------

    Resolution: Fixed

> Add code to list which edit logs are available on a remote NN
> -------------------------------------------------------------
>
>                 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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