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From "Tsz Wo (Nicholas), SZE (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-6180) Namenode slowed down when many files with same filename were moved to Trash
Date Fri, 07 Aug 2009 23:02:14 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-6180?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12740775#action_12740775
] 

Tsz Wo (Nicholas), SZE commented on HADOOP-6180:
------------------------------------------------

After updated hadoop-core-0.21.0-dev.jar and hadoop-core-test-0.21.0-dev.jar on hdfs, TestHDFSTrash
failed.  Could someone take a look?

{noformat}
------------- Standard Error -----------------
rmr: Cannot move "hdfs://localhost:57940/user/tsz" to the trash, as it contains  
the trash
------------- ---------------- ---------------

Testcase: testTrash took 1.451 sec
        Caused an ERROR
null
java.lang.NullPointerException
        at org.apache.hadoop.fs.TestTrash.countSameDeletedFiles(TestTrash.java:77
5)
        at org.apache.hadoop.fs.TestTrash.trashShell(TestTrash.java:363)
        at org.apache.hadoop.hdfs.TestHDFSTrash.testTrash(TestHDFSTrash.java:54)
        at junit.extensions.TestDecorator.basicRun(TestDecorator.java:24)
        at junit.extensions.TestSetup$1.protect(TestSetup.java:23)
        at junit.extensions.TestSetup.run(TestSetup.java:27)

Testcase: testNonDefaultFS took 0.262 sec
{noformat}

> Namenode slowed down when many files with same filename were moved to Trash
> ---------------------------------------------------------------------------
>
>                 Key: HADOOP-6180
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6180
>             Project: Hadoop Common
>          Issue Type: Bug
>            Reporter: Koji Noguchi
>            Assignee: Boris Shkolnik
>            Priority: Minor
>             Fix For: 0.21.0
>
>         Attachments: COMMON-124.patch
>
>


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