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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-8258) Make mapreduce tests pass on hadoop2
Date Tue, 09 Apr 2013 04:38:15 GMT

    [ https://issues.apache.org/jira/browse/HBASE-8258?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13626214#comment-13626214
] 

Ted Yu commented on HBASE-8258:
-------------------------------

After test suite completed, I saw two hanging JVMs:
{code}
"pool-1-thread-1" prio=10 tid=0x00007f2d006b2000 nid=0x3a2c waiting on condition [0x00007f2cb1c92000]
   java.lang.Thread.State: WAITING (parking)
	at sun.misc.Unsafe.park(Native Method)
	- parking to wait for  <0x00000000edb7c3d8> (a java.util.concurrent.FutureTask$Sync)
	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:156)
	at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:811)
	at java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedInterruptibly(AbstractQueuedSynchronizer.java:969)
	at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1281)
	at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:218)
	at java.util.concurrent.FutureTask.get(FutureTask.java:83)
	at org.apache.hadoop.hbase.mapreduce.LoadIncrementalHFiles.bulkLoadPhase(LoadIncrementalHFiles.java:324)
	at org.apache.hadoop.hbase.mapreduce.LoadIncrementalHFiles.doBulkLoad(LoadIncrementalHFiles.java:264)
	at org.apache.hadoop.hbase.mapreduce.TestLoadIncrementalHFiles.runTest(TestLoadIncrementalHFiles.java:158)
	at org.apache.hadoop.hbase.mapreduce.TestLoadIncrementalHFiles.testSimpleLoad(TestLoadIncrementalHFiles.java:86)
{code}
{code}
"pool-1-thread-1" prio=10 tid=0x00007f15a069c000 nid=0x5584 waiting on condition [0x00007f15662e6000]
   java.lang.Thread.State: WAITING (parking)
	at sun.misc.Unsafe.park(Native Method)
	- parking to wait for  <0x00000000daf6f150> (a java.util.concurrent.FutureTask$Sync)
	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:156)
	at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:811)
	at java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedInterruptibly(AbstractQueuedSynchronizer.java:969)
	at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1281)
	at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:218)
	at java.util.concurrent.FutureTask.get(FutureTask.java:83)
	at org.apache.hadoop.hbase.mapreduce.LoadIncrementalHFiles.groupOrSplitPhase(LoadIncrementalHFiles.java:374)
	at org.apache.hadoop.hbase.mapreduce.LoadIncrementalHFiles.doBulkLoad(LoadIncrementalHFiles.java:261)
	at org.apache.hadoop.hbase.mapreduce.TestLoadIncrementalHFilesSplitRecovery.populateTable(TestLoadIncrementalHFilesSplitRecovery.java:148)
	at org.apache.hadoop.hbase.mapreduce.TestLoadIncrementalHFilesSplitRecovery.testSplitWhileBulkLoadPhase(TestLoadIncrementalHFilesSplitRecovery.java:298)
{code}
                
> Make mapreduce tests pass on hadoop2
> ------------------------------------
>
>                 Key: HBASE-8258
>                 URL: https://issues.apache.org/jira/browse/HBASE-8258
>             Project: HBase
>          Issue Type: Bug
>          Components: mapreduce
>            Reporter: stack
>            Priority: Blocker
>             Fix For: 0.95.1
>
>         Attachments: 8258-plain.txt, 8258-v1-hadoop-2.0.txt, 8258-v2-hadoop-2.0.txt,
8258-v4-hadoop-2.0.txt, hbase-8258-simple.patch, hbase-8258.simple.v2.patch, hbase-8258.simple.v3.patch
>
>
> HBASE-7904 was a first attempt at making this work but it got lost in the weeds.
> This is a new attempt at making hbase mapreduce jobs run on hadoop2 (w/o breaking mapreduce
on hadoop1)

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