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Date: Mon, 14 Oct 2013 17:27:48 +0000 (UTC)
From: "Jing Zhao (JIRA)" <jira@apache.org>
To: hdfs-issues@hadoop.apache.org
Message-ID: <JIRA.12671411.1380564305870.60897.1381771668442@arcas>
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Subject: [jira] [Commented] (HDFS-5278) Reduce memory consumptions of
 TestDFSClientRetries
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    [ https://issues.apache.org/jira/browse/HDFS-5278?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13794296#comment-13794296 ] 

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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