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From "Jing Zhao (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-5278) Reduce memory consumptions of TestDFSClientRetries
Date Mon, 14 Oct 2013 17:27:48 GMT

    [ https://issues.apache.org/jira/browse/HDFS-5278?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13794296#comment-13794296
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Jing Zhao commented on HDFS-5278:
---------------------------------

The patch looks great to me. One more comment: maybe we can do some artificial delay instead
of copying large data in the test? 

> Reduce memory consumptions of TestDFSClientRetries
> --------------------------------------------------
>
>                 Key: HDFS-5278
>                 URL: https://issues.apache.org/jira/browse/HDFS-5278
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Haohui Mai
>            Assignee: Haohui Mai
>            Priority: Minor
>         Attachments: HDFS-5278.000.patch
>
>
> TestDFSClientRetries::testDFSClientRetriesOnBusyBlocks() spawns about 50 threads during
the execution, each of which takes more than 6m memory.  It makes debugging it in eclipse
under the default settings difficult since it triggers the OutOfMemoryException.



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