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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
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Jing Zhao commented on HDFS-5278:
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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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