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From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HDFS-1073) Simpler model for Namenode's fs Image and edit Logs
Date Fri, 02 Apr 2010 01:37:27 GMT

    [ https://issues.apache.org/jira/browse/HDFS-1073?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12852643#action_12852643
] 

Todd Lipcon commented on HDFS-1073:
-----------------------------------

I agree. I put one proposal that I'm partial to here: https://issues.apache.org/jira/browse/HDFS-955?focusedCommentId=12832706&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12832706

The "#3" solution in the above comment I think is (a) reasonably simple, and (b) can be very
easily made to keep around some number of trailing image/edit files in case of corruption
bugs.

Is this the sort of thing you're investigating for this JIRA, Sanjay?

> 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
>            Reporter: Sanjay Radia
>
> 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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