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Posted to hdfs-dev@hadoop.apache.org by "Tony Reix (JIRA)" <ji...@apache.org> on 2014/06/11 15:53:01 UTC
[jira] [Created] (HDFS-6515) testPageRounder
(org.apache.hadoop.hdfs.server.datanode.TestFsDatasetCache)
Tony Reix created HDFS-6515:
-------------------------------
Summary: 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: 2.4.0
Environment: Linux on PPC64
Reporter: Tony Reix
Priority: Blocker
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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