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https://issues.apache.org/jira/browse/HADOOP-1813?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jim Kellerman updated HADOOP-1813:
----------------------------------
Priority: Major (was: Minor)
> [hbase] OOME makes zombie of region server
> ------------------------------------------
>
> Key: HADOOP-1813
> URL: https://issues.apache.org/jira/browse/HADOOP-1813
> Project: Hadoop
> Issue Type: Bug
> Components: contrib/hbase
> Reporter: stack
> Assignee: stack
> Fix For: 0.15.0
>
> Attachments: failed_compaction.log, oome-2.patch, oome-3.patch,
> oome.patch
>
>
> We need to catch Errors in the main regionserver and master run methods.
> During a cluster loading, an OOME made main thread exit but server stayed up
> doing a zombie-impersonation. For OOME's we could add an attempted handler.
> Service threads also need to be 'daemon'-ified. Here's an extract from
> thread dump of hung region server:
> {code}
> Full thread dump Java HotSpot(TM) Server VM (1.6.0_01-b06 mixed mode):
> ...
> "Lease.monitor" prio=10 tid=0x082ec800 nid=0x41ca waiting on condition
> [0xb122d000..0xb122df30]
> java.lang.Thread.State: TIMED_WAITING (sleeping)
> at java.lang.Thread.sleep(Native Method)
> at org.apache.hadoop.hbase.Leases$LeaseMonitor.run(Leases.java:226)
> at java.lang.Thread.run(Thread.java:619)
> "Thread-10.logRoller" prio=10 tid=0x082eb400 nid=0x41c9 waiting on condition
> [0xb127e000..0xb127eeb0]
> java.lang.Thread.State: TIMED_WAITING (sleeping)
> at java.lang.Thread.sleep(Native Method)
> at
> org.apache.hadoop.hbase.HRegionServer$LogRoller.run(HRegionServer.java:379)
> at java.lang.Thread.run(Thread.java:619)
> "Thread-10.cacheFlusher" prio=10 tid=0x082ea000 nid=0x41c7 waiting on
> condition [0xb1320000..0xb1320fb0]
> java.lang.Thread.State: TIMED_WAITING (sleeping)
> at java.lang.Thread.sleep(Native Method)
> at
> org.apache.hadoop.hbase.HRegionServer$Flusher.run(HRegionServer.java:325)
> at java.lang.Thread.run(Thread.java:619)
> "Thread-10.worker" prio=10 tid=0x082e9400 nid=0x41c6 waiting on condition
> [0xb1371000..0xb1372130]
> java.lang.Thread.State: TIMED_WAITING (parking)
> at sun.misc.Unsafe.park(Native Method)
> - parking to wait for <0xb649a288> (a
> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> at
> java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:198)
> at
> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:1927)
> at
> java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:395)
> at
> org.apache.hadoop.hbase.HRegionServer$Worker.run(HRegionServer.java:859)
> at java.lang.Thread.run(Thread.java:619)
> ...
> {code}
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