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From "Jothi Padmanabhan (JIRA)" <j...@apache.org>
Subject [jira] Updated: (MAPREDUCE-433) TestReduceFetch failed.
Date Tue, 22 Sep 2009 04:34:16 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-433?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jothi Padmanabhan updated MAPREDUCE-433:
----------------------------------------

    Release Note: Resolves the test failure by modifying the test to base it on spill counters
rather than on bytes read/written. It also introduces a new configuration parameter "mapred.job.shuffle.input.buffer.percent"
to provide finer grained control on the memory limit to be used during shuffle.

> TestReduceFetch failed.
> -----------------------
>
>                 Key: MAPREDUCE-433
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-433
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>            Reporter: Tsz Wo (Nicholas), SZE
>            Assignee: Chris Douglas
>             Fix For: 0.21.0
>
>         Attachments: 6029-0.patch, 6029-1.patch, 6029-2.patch, FAILING-PARTIALMEM-TEST-org.apache.hadoop.mapred.TestReduceFetch.txt,
TEST-org.apache.hadoop.mapred.TestReduceFetch.txt, TEST-org.apache.hadoop.mapred.TestReduceFetch.txt,
testReduceFromMem.txt
>
>
> {noformat}
> Testcase: testReduceFromMem took 23.625 sec
> 	FAILED
> Non-zero read from local: 83
> junit.framework.AssertionFailedError: Non-zero read from local: 83
> 	at org.apache.hadoop.mapred.TestReduceFetch.testReduceFromMem(TestReduceFetch.java:289)
> 	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)
> {noformat}
> Ran TestReduceFetch a few times on a clean trunk.  It failed consistently.

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