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From "Liang Xie (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-6614) shorten TestPread run time with a smaller retry timeout setting
Date Tue, 08 Jul 2014 10:44:05 GMT

    [ https://issues.apache.org/jira/browse/HDFS-6614?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14054814#comment-14054814
] 

Liang Xie commented on HDFS-6614:
---------------------------------

Filed HDFS-6638, since this tuning tips could optimize other cases also. [~cnauroth], mind
taking a look at it if possible? thank you!

> shorten TestPread run time with a smaller retry timeout setting
> ---------------------------------------------------------------
>
>                 Key: HDFS-6614
>                 URL: https://issues.apache.org/jira/browse/HDFS-6614
>             Project: Hadoop HDFS
>          Issue Type: Test
>          Components: test
>    Affects Versions: 3.0.0, 2.5.0
>            Reporter: Liang Xie
>            Assignee: Liang Xie
>            Priority: Minor
>             Fix For: 3.0.0, 2.5.0
>
>         Attachments: HDFS-6614-addmium.txt, HDFS-6614.txt
>
>
> Just notice logs like this from TestPread:
> DFS chooseDataNode: got # 3 IOException, will wait for 9909.622860072854 msec
> so i tried to set a smaller retry window value.
> Before patch:
>  T E S T S
> -------------------------------------------------------
> Running org.apache.hadoop.hdfs.TestPread
> Tests run: 7, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 154.812 sec - in org.apache.hadoop.hdfs.TestPread
> After the change:
>  T E S T S
> -------------------------------------------------------
> Running org.apache.hadoop.hdfs.TestPread
> Tests run: 7, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 131.724 sec - in org.apache.hadoop.hdfs.TestPread



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