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https://issues.apache.org/jira/browse/HADOOP-5625?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12701095#action_12701095
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Chris Douglas commented on HADOOP-5625:
---------------------------------------

{noformat}
Test org.apache.hadoop.hdfs.server.namenode.TestReplicationPolicy FAILED
Test org.apache.hadoop.mapred.TestMRServerPorts FAILED
Test org.apache.hadoop.mapred.TestQueueCapacities FAILED
{noformat}

None of the test failures are related to this patch.

> Add I/O duration time in client trace 
> --------------------------------------
>
>                 Key: HADOOP-5625
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5625
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: dfs
>    Affects Versions: 0.19.1
>            Reporter: Lei Xu
>            Assignee: Lei Xu
>            Priority: Minor
>             Fix For: 0.21.0
>
>         Attachments: duration-0.19.1.patch, duration-1.patch, 
> duration-3.patch, duration.patch
>
>
> Add I/O duration information into client trace log for analyzing performance.
>  

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