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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-6515) testPageRounder (org.apache.hadoop.hdfs.server.datanode.TestFsDatasetCache)
Date Tue, 17 Mar 2015 16:10:41 GMT

    [ https://issues.apache.org/jira/browse/HDFS-6515?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14365406#comment-14365406

Hadoop QA commented on HDFS-6515:

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  against trunk revision 7179f94.

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 1 new or modified
test files.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of
javac compiler warnings.

    {color:green}+1 javadoc{color}.  There were no new javadoc warning messages.

    {color:green}+1 eclipse:eclipse{color}.  The patch built with eclipse:eclipse.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version
2.0.3) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:red}-1 core tests{color}.  The patch failed these unit tests in hadoop-common-project/hadoop-common


Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/9918//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/9918//console

This message is automatically generated.

> 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
>            Priority: Blocker
>              Labels: 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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