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From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-1073) Simpler model for Namenode's fs Image and edit Logs
Date Fri, 29 Jul 2011 16:34:11 GMT

     [ https://issues.apache.org/jira/browse/HDFS-1073?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Todd Lipcon updated HDFS-1073:
------------------------------

      Resolution: Fixed
    Release Note: The NameNode's storage layout for its name directories has been reorganized
to be more robust. Each edit now has a unique transaction ID, and each file is associated
with a transaction ID (for checkpoints) or a range of transaction IDs (for edit logs).
    Hadoop Flags: [Incompatible change, Reviewed]  (was: [Incompatible change])
          Status: Resolved  (was: Patch Available)

> Simpler model for Namenode's fs Image and edit Logs 
> ----------------------------------------------------
>
>                 Key: HDFS-1073
>                 URL: https://issues.apache.org/jira/browse/HDFS-1073
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>    Affects Versions: 0.23.0
>            Reporter: Sanjay Radia
>            Assignee: Todd Lipcon
>             Fix For: 0.23.0
>
>         Attachments: hdfs-1073-editloading-algos.txt, hdfs-1073-merge.patch, hdfs-1073-merge.patch,
hdfs-1073-merge.patch, hdfs-1073.txt, hdfs1073.pdf, hdfs1073.pdf, hdfs1073.pdf, hdfs1073.tex
>
>
> The naming and handling of  NN's fsImage and edit logs can be significantly improved
resulting simpler and more robust code.

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