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https://issues.apache.org/jira/browse/HDFS-6515?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Wang updated HDFS-6515:
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Priority: Major (was: Blocker)
I'm downgrading the priority of this issue, since lack of PPC support is not a
regression.
> testPageRounder (org.apache.hadoop.hdfs.server.datanode.TestFsDatasetCache)
> -----------------------------------------------------------------------------
>
> Key: HDFS-6515
> URL: https://issues.apache.org/jira/browse/HDFS-6515
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: datanode
> Affects Versions: 3.0.0, 2.4.0, 2.4.1
> Environment: Linux on PPC64
> Tested with Hadoop 3.0.0 SNAPSHOT, on RHEL 6.5, on Ubuntu 14.04, on Fedora
> 19, using mvn -Dtest=TestFsDatasetCache#testPageRounder -X test
> Reporter: Tony Reix
> Labels: BB2015-05-TBR, hadoop, test
> Attachments: HDFS-6515-1.patch, HDFS-6515-2.patch
>
>
> I have an issue with test :
> testPageRounder
> (org.apache.hadoop.hdfs.server.datanode.TestFsDatasetCache)
> on Linux/PowerPC.
> On Linux/Intel, test runs fine.
> On Linux/PowerPC, I have:
> testPageRounder(org.apache.hadoop.hdfs.server.datanode.TestFsDatasetCache)
> Time elapsed: 64.037 sec <<< ERROR!
> java.lang.Exception: test timed out after 60000 milliseconds
> Looking at details, I see that some "Failed to cache " messages appear in the
> traces. Only 10 on Intel, but 186 on PPC64.
> On PPC64, it looks like some thread is waiting for something that never
> happens, generating a TimeOut.
> I'm now using IBM JVM, however I've just checked that the issue also appears
> with OpenJDK.
> I'm now using Hadoop latest, however, the issue appeared within Hadoop 2.4.0 .
> I need help for understanding what the test is doing, what traces are
> expected, in order to understand what/where is the root cause.
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