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From "Tsz Wo (Nicholas), SZE (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-5470) Add back trunk's reportDiff algorithm to HDFS-2832
Date Wed, 06 Nov 2013 23:19:18 GMT

    [ https://issues.apache.org/jira/browse/HDFS-5470?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13815434#comment-13815434
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Tsz Wo (Nicholas), SZE commented on HDFS-5470:
----------------------------------------------

In trunk, it is a static class with a DatanodeDescriptor field.  It is better to make it a
non-static and use DatanodeDescriptor.this.

> Add back trunk's reportDiff algorithm to HDFS-2832
> --------------------------------------------------
>
>                 Key: HDFS-5470
>                 URL: https://issues.apache.org/jira/browse/HDFS-5470
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Tsz Wo (Nicholas), SZE
>            Assignee: Tsz Wo (Nicholas), SZE
>         Attachments: h5470_20131106.patch
>
>
> As reminded by [~shv] in HDFS-5464, the report diff algorithm uses less memory.  It also
has a faster running time.  We should add it back to the branch.



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