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From "Colin Patrick McCabe (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-3050) refactor OEV to share more code with the NameNode
Date Wed, 28 Mar 2012 23:43:30 GMT

     [ https://issues.apache.org/jira/browse/HDFS-3050?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Colin Patrick McCabe updated HDFS-3050:

    Attachment: HDFS-3050.014.patch

* fix unit test

* enable reading edit logs from XML 

* add -f / -fix-txids option, which makes oev close any holes in the transaction ID series.

* Editing the XML no longer allows you to manually recalculate checksums for the edited opcode.
> refactor OEV to share more code with the NameNode
> -------------------------------------------------
>                 Key: HDFS-3050
>                 URL: https://issues.apache.org/jira/browse/HDFS-3050
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: name-node
>            Reporter: Colin Patrick McCabe
>            Assignee: Colin Patrick McCabe
>            Priority: Minor
>         Attachments: HDFS-3050.006.patch, HDFS-3050.007.patch, HDFS-3050.008.patch, HDFS-3050.009.patch,
HDFS-3050.010.patch, HDFS-3050.011.patch, HDFS-3050.012.patch, HDFS-3050.014.patch
> Current, OEV (the offline edits viewer) re-implements all of the opcode parsing logic
found in the NameNode.  This duplicated code creates a maintenance burden for us.
> OEV should be refactored to simply use the normal EditLog parsing code, rather than rolling
its own.

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