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From "Jim Kellerman (JIRA)" <j...@apache.org>
Subject [jira] Assigned: (HBASE-617) Region Server not Exiting after failing
Date Tue, 03 Jun 2008 18:34:45 GMT

     [ https://issues.apache.org/jira/browse/HBASE-617?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jim Kellerman reassigned HBASE-617:
-----------------------------------

    Assignee: Jim Kellerman

> Region Server not Exiting after failing
> ---------------------------------------
>
>                 Key: HBASE-617
>                 URL: https://issues.apache.org/jira/browse/HBASE-617
>             Project: Hadoop HBase
>          Issue Type: Bug
>    Affects Versions: 0.1.2
>            Reporter: Daniel Leffel
>            Assignee: Jim Kellerman
>            Priority: Minor
>             Fix For: 0.2.0
>
>
> If a region server was overloaded, the process never exists. Also, this causes an hbase
shutdown to wait indefinitely (as called from the shell script). 
> This is the thread dump from the regionserver:
> --------------------------------------------
> Full thread dump Java HotSpot(TM) 64-Bit Server VM (1.5.0_14-b03 mixed mode):
> "IPC Server handler 9 on 60020" daemon prio=1 tid=0x00002aab1c29eb40 nid=0x45db waiting
on condition [0x0000000042835000..0x0000000042835c80]
>         at sun.misc.Unsafe.park(Native Method)
>         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:118)
>         at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:716)
>         at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(AbstractQueuedSynchronizer.java:746)
>         at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(AbstractQueuedSynchronizer.java:1076)
>         at java.util.concurrent.locks.ReentrantLock$NonfairSync.lock(ReentrantLock.java:184)
>         at java.util.concurrent.locks.ReentrantLock.lock(ReentrantLock.java:256)
>         at org.apache.hadoop.hbase.HLog.rollWriter(HLog.java:219)
>         at org.apache.hadoop.hbase.HLog.append(HLog.java:390)
>         - locked <0x00002aaab70634d0> (a java.lang.Integer)
>         at org.apache.hadoop.hbase.HRegion.update(HRegion.java:1602)
>         at org.apache.hadoop.hbase.HRegion.batchUpdate(HRegion.java:1405)
>         at org.apache.hadoop.hbase.HRegionServer.batchUpdate(HRegionServer.java:1544)
>         at sun.reflect.GeneratedMethodAccessor5.invoke(Unknown Source)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:585)
>         at org.apache.hadoop.hbase.ipc.HbaseRPC$Server.call(HbaseRPC.java:413)
>         at org.apache.hadoop.ipc.Server$Handler.run(Server.java:901)
> "regionserver/0:0:0:0:0:0:0:0:60020.cacheFlusher" daemon prio=1 tid=0x00002aab1c1cb800
nid=0x45c8 waiting for monitor entry [0x0000000041522000..0x0000000041522b00]
>         at org.apache.hadoop.hbase.HLog.completeCacheFlush(HLog.java:481)
>         - waiting to lock <0x00002aaab70634d0> (a java.lang.Integer)
>         at org.apache.hadoop.hbase.HRegion.internalFlushcache(HRegion.java:1103)
>         at org.apache.hadoop.hbase.HRegion.flushcache(HRegion.java:998)
>         at org.apache.hadoop.hbase.HRegionServer$Flusher.flushRegion(HRegionServer.java:447)
>         - locked <0x00002aaab70681f8> (a java.util.HashSet)
>         at org.apache.hadoop.hbase.HRegionServer$Flusher.run(HRegionServer.java:390)
> "regionserver/0:0:0:0:0:0:0:0:60020.logRoller" daemon prio=1 tid=0x00002aab1c1cc2b0 nid=0x45c7
waiting on condition [0x0000000041421000..0x0000000041421a80]
>         at sun.misc.Unsafe.park(Native Method)
>         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:118)
>         at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:716)
>         at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(AbstractQueuedSynchronizer.java:746)
>         at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(AbstractQueuedSynchronizer.java:1076)
>         at java.util.concurrent.locks.ReentrantLock$NonfairSync.lock(ReentrantLock.java:184)
>         at java.util.concurrent.locks.ReentrantLock.lock(ReentrantLock.java:256)
>         at org.apache.hadoop.hbase.HLog.rollWriter(HLog.java:219)
>         at org.apache.hadoop.hbase.HRegionServer$LogRoller.run(HRegionServer.java:618)
>         - locked <0x00002aaab70632b8> (a java.lang.Integer)
> "org.apache.hadoop.dfs.DFSClient$LeaseChecker@353c375" daemon prio=1 tid=0x00002aab1c0893c0
nid=0x45c5 waiting on condition [0x000000004121f000..0x000000004121fd80]
>         at java.lang.Thread.sleep(Native Method)
>         at org.apache.hadoop.dfs.DFSClient$LeaseChecker.run(DFSClient.java:605)
>         at java.lang.Thread.run(Thread.java:595)
> "org.apache.hadoop.io.ObjectWritable Connection Culler" daemon prio=1 tid=0x00002aab1c10ad00
nid=0x45c3 waiting on condition [0x000000004101d000..0x000000004101dc80]
>         at java.lang.Thread.sleep(Native Method)
>         at org.apache.hadoop.ipc.Client$ConnectionCuller.run(Client.java:423)
> "org.apache.hadoop.hbase.io.HbaseObjectWritable Connection Culler" daemon prio=1 tid=0x000000005093f200
nid=0x45b5 waiting on condition [0x0000000040e1b000..0x0000000040e1bc80]
>         at java.lang.Thread.sleep(Native Method)
>         at org.apache.hadoop.ipc.Client$ConnectionCuller.run(Client.java:423)
> "DestroyJavaVM" prio=1 tid=0x00002aab1c00d930 nid=0x458f waiting on condition [0x0000000000000000..0x00007fff1680e7f0]
> "regionserver/0:0:0:0:0:0:0:0:60020" prio=1 tid=0x00002aab1c00dfe0 nid=0x45b4 waiting
for monitor entry [0x0000000040d1a000..0x0000000040d1ac00]
>         at org.apache.hadoop.hbase.HRegionServer.run(HRegionServer.java:867)
>         - waiting to lock <0x00002aaab70632b8> (a java.lang.Integer)
>         at java.lang.Thread.run(Thread.java:595)
> "Low Memory Detector" daemon prio=1 tid=0x00000000505e9c90 nid=0x45b2 runnable [0x0000000000000000..0x0000000000000000]
> "CompilerThread1" daemon prio=1 tid=0x00000000505e8060 nid=0x45b1 waiting on condition
[0x0000000000000000..0x0000000040a16360]
> "CompilerThread0" daemon prio=1 tid=0x00000000505e6ab0 nid=0x45b0 waiting on condition
[0x0000000000000000..0x00000000409156e0]
> "AdapterThread" daemon prio=1 tid=0x00000000505e5350 nid=0x45af waiting on condition
[0x0000000000000000..0x0000000000000000]
> "Signal Dispatcher" daemon prio=1 tid=0x00000000505e4070 nid=0x45ae runnable [0x0000000000000000..0x0000000000000000]
> "Finalizer" daemon prio=1 tid=0x00000000505cfef0 nid=0x45ad in Object.wait() [0x0000000040613000..0x0000000040613c80]
>         at java.lang.Object.wait(Native Method)
>         - waiting on <0x00002aaab70bc3d8> (a java.lang.ref.ReferenceQueue$Lock)
>         at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:120)
>         - locked <0x00002aaab70bc3d8> (a java.lang.ref.ReferenceQueue$Lock)
>         at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:136)
>         at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:159)
> "Reference Handler" daemon prio=1 tid=0x00000000505cf6c0 nid=0x45ac in Object.wait()
[0x0000000040512000..0x0000000040512c00]
>         at java.lang.Object.wait(Native Method)
>         - waiting on <0x00002aaab70b3ac8> (a java.lang.ref.Reference$Lock)
>         at java.lang.Object.wait(Object.java:474)
>         at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:116)
>         - locked <0x00002aaab70b3ac8> (a java.lang.ref.Reference$Lock)
> "VM Thread" prio=1 tid=0x00000000505cb1d0 nid=0x45ab runnable 
> "GC task thread#0 (ParallelGC)" prio=1 tid=0x000000005051e4d0 nid=0x45a9 runnable 
> "GC task thread#1 (ParallelGC)" prio=1 tid=0x000000005051f350 nid=0x45aa runnable 
> "VM Periodic Task Thread" prio=1 tid=0x0000000050515430 nid=0x45b3 waiting on condition


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