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From "Rodrigo Schmidt (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-5620) discp can preserve modification times of files
Date Thu, 28 May 2009 22:19:45 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-5620?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12714196#action_12714196
] 

Rodrigo Schmidt commented on HADOOP-5620:
-----------------------------------------

I ran the unit tests and the three following errors appeared. They all seem to be unrelated
to this patch:

--

{code}
Testsuite: org.apache.hadoop.mapred.TestJobTrackerRestartWithLostTracker
Tests run: 1, Failures: 0, Errors: 1, Time elapsed: 0 sec

Testcase: testRestartWithLostTracker took 0.003 sec
	Caused an ERROR
Timeout occurred. Please note the time in the report does not reflect the time until the timeout.
junit.framework.AssertionFailedError: Timeout occurred. Please note the time in the report
does not reflect the time until the timeout.
{code}

--

{code}
Testsuite: org.apache.hadoop.mapred.TestReduceFetch
Tests run: 3, Failures: 1, Errors: 0, Time elapsed: 282.598 sec

Testcase: testReduceFromPartialMem took 27.634 sec
	FAILED
Expected at least 1MB fewer bytes read from local (21159650) than written to HDFS (21036680)
junit.framework.AssertionFailedError: Expected at least 1MB fewer bytes read from local (21159650)
than written to HDFS (21036680)
	at org.apache.hadoop.mapred.TestReduceFetch.testReduceFromPartialMem(TestReduceFetch.java:276)
	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)
{code}

--

{code}
Testsuite: org.apache.hadoop.mapred.TestTaskFail
Tests run: 1, Failures: 1, Errors: 0, Time elapsed: 92.65 sec

Testcase: testWithDFS took 92.629 sec
	FAILED
expected:<FAILED> but was:<KILLED>
junit.framework.AssertionFailedError: expected:<FAILED> but was:<KILLED>
	at org.apache.hadoop.mapred.TestTaskFail.validateJob(TestTaskFail.java:139)
	at org.apache.hadoop.mapred.TestTaskFail.testWithDFS(TestTaskFail.java:170)
{code}

> discp can preserve modification times of files
> ----------------------------------------------
>
>                 Key: HADOOP-5620
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5620
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: tools/distcp
>            Reporter: dhruba borthakur
>            Assignee: Rodrigo Schmidt
>             Fix For: 0.21.0
>
>         Attachments: HADOOP-5620.2.patch, HADOOP-5620.3.patch, HADOOP-5620.patch
>
>
> It will be helpful if distcp can preserve the modification time and access time of files.
This helps to archive/unarchive hdfs files.

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