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From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HDFS-797) TestHDFSCLI much slower after HDFS-265 merge
Date Thu, 03 Dec 2009 20:23:20 GMT

     [ https://issues.apache.org/jira/browse/HDFS-797?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Todd Lipcon updated HDFS-797:
-----------------------------

    Fix Version/s: 0.22.0
                   0.21.0
           Status: Patch Available  (was: Open)

> TestHDFSCLI much slower after HDFS-265 merge
> --------------------------------------------
>
>                 Key: HDFS-797
>                 URL: https://issues.apache.org/jira/browse/HDFS-797
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: hdfs client
>    Affects Versions: 0.21.0, 0.22.0
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>             Fix For: 0.21.0, 0.22.0
>
>         Attachments: hdfs-797.txt
>
>
> After the merge of HDFS-265 into trunk, TestHDFSCLI takes much longer to run (>10min,
got tired of waiting). Changing dataQueue.wait(1000) to dataQueue.wait(10) on line 2708 speeds
up the test back to its original performance. This isn't a fix, but displays the issue - somehow
the thread isn't getting properly interrupted. In general this probably represents a performance
regression for the exit of all HDFS writers (most noticeable in CLI tools)

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