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From "Tsz Wo (Nicholas), SZE (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-5464) Simplify block report diff calculation
Date Wed, 06 Nov 2013 02:30:17 GMT

     [ https://issues.apache.org/jira/browse/HDFS-5464?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Tsz Wo (Nicholas), SZE updated HDFS-5464:
-----------------------------------------

    Attachment: h5466_20131105b.patch

Actually, it is unnecessarily to add all the blocks to the remove list.  Here is a new patch.

h5466_20131105b.patch

> Simplify block report diff calculation
> --------------------------------------
>
>                 Key: HDFS-5464
>                 URL: https://issues.apache.org/jira/browse/HDFS-5464
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: namenode
>            Reporter: Tsz Wo (Nicholas), SZE
>            Assignee: Tsz Wo (Nicholas), SZE
>            Priority: Minor
>         Attachments: h5464_20131105.patch, h5464_20131105b.patch
>
>
> The current calculation in BlockManager.reportDiff(..) is unnecessarily complicated.
 We could simplify the calculation.



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