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From "Tsz Wo Nicholas Sze (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-5464) Simplify block report diff calculation
Date Tue, 15 Jul 2014 22:59:05 GMT

    [ https://issues.apache.org/jira/browse/HDFS-5464?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14062809#comment-14062809
] 

Tsz Wo Nicholas Sze commented on HDFS-5464:
-------------------------------------------

[~andrew.wang], could you help doing the microbenchmark you suggested?

> 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, h5464_20131105c.patch,
h5464_20140715.patch, h5464_20140715b.patch
>
>
> The current calculation in BlockManager.reportDiff(..) is unnecessarily complicated.
 We could simplify the calculation.



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