ChecksumException generates thousands of open sockets
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Key: HBASE-2042
URL: https://issues.apache.org/jira/browse/HBASE-2042
Project: Hadoop HBase
Issue Type: Bug
Reporter: stack
Priority: Blocker
Fix For: 0.20.3, 0.21.0
Below is from Stefan Will:
{code}
I just ran into another case where a Regionserver wouldn't properly shut down
(this is on my development cluster, so not too critical). In this case, it is
also holding over 27000 datanode sockets (port 50010) in CLOSE_WAIT state. I
was actually using so many that the SSH daemon wouldn't let me log in to the
machine due to too many open file handles (I can probably figure out how to
increase that limit). So I shut down the Master and the other regionservers,
which might have been the cause for it to be in "handleConnectionFailure()".
The last few lines of the log were:
009-12-06 10:30:12,609 INFO org.apache.hadoop.hbase.regionserver.HRegionServer:
aborting server at: 10.1.20.144:60020 <http://10.1.20.144:60020>
- Hide quoted text -
2009-12-06 10:30:12,646 INFO org.apache.hadoop.hbase.regionserver.LogFlusher:
regionserver/10.1.20.144:60020.logFlusher exiting
2009-12-06 10:30:12,646 INFO
org.apache.hadoop.hbase.regionserver.HRegionServer$MajorCompactionChecker:
regionserver/10.1.20.144:60020.majorCompactionChecker exiting
2009-12-06 10:30:14,871 INFO org.apache.hadoop.hbase.Leases:
regionserver/10.1.20.144:60020.leaseChecker closing leases
2009-12-06 10:30:14,871 INFO org.apache.hadoop.hbase.Leases:
regionserver/10.1.20.144:60020.leaseChecker closed leases
2009-12-06 10:30:17,366 INFO
org.apache.hadoop.hbase.regionserver.HRegionServer: worker thread exiting
2009-12-06 10:30:17,366 INFO org.apache.zookeeper.ZooKeeper: Closing session:
0x2255b24f9f1003a
2009-12-06 10:30:17,366 INFO org.apache.zookeeper.ClientCnxn: Closing
ClientCnxn for session: 0x2255b24f9f1003a
2009-12-06 10:30:17,387 INFO org.apache.zookeeper.ClientCnxn: Exception while
closing send thread for session 0x2255b24f9f1003a : Read error rc = -1
java.nio.DirectByteBuffer[
pos=0 lim=4 cap=4]
2009-12-06 10:30:17,489 INFO org.apache.zookeeper.ClientCnxn: Disconnecting
ClientCnxn for session: 0x2255b24f9f1003a
2009-12-06 10:30:17,489 INFO org.apache.zookeeper.ZooKeeper: Session:
0x2255b24f9f1003a closed
2009-12-06 10:30:17,548 INFO org.apache.zookeeper.ClientCnxn: EventThread shut
down
2009-12-06 20:35:25,725 INFO
org.apache.hadoop.hbase.regionserver.HRegionServer: Starting shutdown thread.
And here is the stacktrace taken after I was able to log back into the machine
and send a kill to the process (at the last timestamp). It is now 15 minutes
later, and the process is still running with no further log output.
Between midnight and 10:30, there are also over 6700 checksum errors in the
log, always with the same log file name:
org.apache.hadoop.fs.ChecksumException: Checksum error:
/blk_4234778497757442733:of:/hbase/post/1926133619/oldlogfile.log at 62521344
at
org.apache.hadoop.fs.FSInputChecker.verifySum(FSInputChecker.java:277)
at
org.apache.hadoop.fs.FSInputChecker.readChecksumChunk(FSInputChecker.java:241)
Here is the stack dump:
Exception in thread "LeaseChecker" java.lang.NullPointerException
at
org.apache.hadoop.ipc.Client$Connection.handleConnectionFailure(Client.java:351)
at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:313)
at org.apache.hadoop.ipc.Client$Connection.access$1700(Client.java:176)
at org.apache.hadoop.ipc.Client.getConnection(Client.java:859)
at org.apache.hadoop.ipc.Client.call(Client.java:719)
at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:220)
at $Proxy1.renewLease(Unknown Source)
at sun.reflect.GeneratedMethodAccessor12.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at
org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:82)
at
org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:59)
at $Proxy1.renewLease(Unknown Source)
at org.apache.hadoop.hdfs.DFSClient$LeaseChecker.renew(DFSClient.java:1046)
at org.apache.hadoop.hdfs.DFSClient$LeaseChecker.run(DFSClient.java:1058)
at java.lang.Thread.run(Thread.java:619)
2009-12-06 20:43:32
Full thread dump Java HotSpot(TM) 64-Bit Server VM (14.0-b16 mixed mode):
"Thread-28" prio=10 tid=0x00000000539e5800 nid=0x742e in Object.wait()
[0x0000000040a45000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x00002aaab7803738> (a java.lang.Thread)
at java.lang.Thread.join(Thread.java:1143)
- locked <0x00002aaab7803738> (a java.lang.Thread)
at org.apache.hadoop.hbase.util.Threads.shutdown(Threads.java:77)
at org.apache.hadoop.hbase.util.Threads.shutdown(Threads.java:66)
at
org.apache.hadoop.hbase.regionserver.HRegionServer$ShutdownThread.run(HRegionServer.java:992)
"SIGTERM handler" daemon prio=10 tid=0x0000000053ca6000 nid=0x742d in
Object.wait() [0x0000000043b02000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x00002aaab7941978> (a
org.apache.hadoop.hbase.regionserver.HRegionServer$ShutdownThread)
at java.lang.Thread.join(Thread.java:1143)
- locked <0x00002aaab7941978> (a
org.apache.hadoop.hbase.regionserver.HRegionServer$ShutdownThread)
at java.lang.Thread.join(Thread.java:1196)
at
java.lang.ApplicationShutdownHooks.runHooks(ApplicationShutdownHooks.java:79)
at
java.lang.ApplicationShutdownHooks$1.run(ApplicationShutdownHooks.java:24)
at java.lang.Shutdown.runHooks(Shutdown.java:79)
at java.lang.Shutdown.sequence(Shutdown.java:123)
at java.lang.Shutdown.exit(Shutdown.java:168)
- locked <0x00002aaaed6f2ef0> (a java.lang.Class for java.lang.Shutdown)
at java.lang.Terminator$1.handle(Terminator.java:35)
at sun.misc.Signal$1.run(Signal.java:195)
at java.lang.Thread.run(Thread.java:619)
"Thread-23" prio=10 tid=0x00002aab08019800 nid=0x2036
sleeping[0x00000000413de000]
java.lang.Thread.State: TIMED_WAITING (sleeping)
at java.lang.Thread.sleep(Native Method)
at org.apache.hadoop.ipc.Client.stop(Client.java:679)
at org.apache.hadoop.ipc.RPC$ClientCache.stopClient(RPC.java:192)
at org.apache.hadoop.ipc.RPC$ClientCache.access$400(RPC.java:141)
at org.apache.hadoop.ipc.RPC$Invoker.close(RPC.java:234)
- locked <0x00002aaab7955f10> (a org.apache.hadoop.ipc.RPC$Invoker)
at org.apache.hadoop.ipc.RPC$Invoker.access$500(RPC.java:199)
at org.apache.hadoop.ipc.RPC.stopProxy(RPC.java:393)
at org.apache.hadoop.hdfs.DFSClient.close(DFSClient.java:241)
- locked <0x00002aaab78e5078> (a org.apache.hadoop.hdfs.DFSClient)
at
org.apache.hadoop.hdfs.DistributedFileSystem.close(DistributedFileSystem.java:269)
at org.apache.hadoop.fs.FileSystem$Cache.closeAll(FileSystem.java:1419)
- locked <0x00002aaab79563f0> (a org.apache.hadoop.fs.FileSystem$Cache)
at org.apache.hadoop.fs.FileSystem.closeAll(FileSystem.java:212)
at org.apache.hadoop.fs.FileSystem$ClientFinalizer.run(FileSystem.java:197)
- locked <0x00002aaab78037e0> (a
org.apache.hadoop.fs.FileSystem$ClientFinalizer)
"LruBlockCache.EvictionThread" daemon prio=10 tid=0x0000000053920800 nid=0x31a4
in Object.wait() [0x0000000043900000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x00002aaab7a56160> (a
org.apache.hadoop.hbase.io.hfile.LruBlockCache$EvictionThread)
at java.lang.Object.wait(Object.java:485)
at
org.apache.hadoop.hbase.io.hfile.LruBlockCache$EvictionThread.run(LruBlockCache.java:512)
- locked <0x00002aaab7a56160> (a
org.apache.hadoop.hbase.io.hfile.LruBlockCache$EvictionThread)
"DestroyJavaVM" prio=10 tid=0x00002aaaf800f000 nid=0x2f53 waiting on condition
[0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"regionserver/10.1.20.144:60020 <http://10.1.20.144:60020> " prio=10
tid=0x00002aaaf800e000 nid=0x2f6c waiting for monitor entry [0x00000000415e2000]
- Hide quoted text -
java.lang.Thread.State: BLOCKED (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x00002aaab78037e0> (a
org.apache.hadoop.fs.FileSystem$ClientFinalizer)
at java.lang.Thread.join(Thread.java:1151)
- locked <0x00002aaab78037e0> (a
org.apache.hadoop.fs.FileSystem$ClientFinalizer)
at org.apache.hadoop.hbase.util.Threads.shutdown(Threads.java:77)
at
org.apache.hadoop.hbase.regionserver.HRegionServer.runThread(HRegionServer.java:722)
at
org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:677)
at java.lang.Thread.run(Thread.java:619)
"Low Memory Detector" daemon prio=10 tid=0x00000000536b5000 nid=0x2f66 runnable
[0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"CompilerThread1" daemon prio=10 tid=0x00000000536b2800 nid=0x2f65 waiting on
condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"CompilerThread0" daemon prio=10 tid=0x00000000536ae000 nid=0x2f64 waiting on
condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"Signal Dispatcher" daemon prio=10 tid=0x00000000536ac000 nid=0x2f63 runnable
[0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"Surrogate Locker Thread (CMS)" daemon prio=10 tid=0x00000000536aa000
nid=0x2f62 waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"Finalizer" daemon prio=10 tid=0x0000000053687800 nid=0x2f61 in Object.wait()
[0x00000000421e9000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x00002aaab77f0108> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:118)
- locked <0x00002aaab77f0108> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:134)
at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:159)
"Reference Handler" daemon prio=10 tid=0x0000000053685800 nid=0x2f60 in
Object.wait() [0x00000000420e8000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x00002aaab77f32b8> (a java.lang.ref.Reference$Lock)
at java.lang.Object.wait(Object.java:485)
at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:116)
- locked <0x00002aaab77f32b8> (a java.lang.ref.Reference$Lock)
"VM Thread" prio=10 tid=0x000000005367e800 nid=0x2f5f runnable
"Gang worker#0 (Parallel GC Threads)" prio=10 tid=0x00000000534c1800 nid=0x2f54
runnable
"Gang worker#1 (Parallel GC Threads)" prio=10 tid=0x00000000534c3800 nid=0x2f55
runnable
"Gang worker#2 (Parallel GC Threads)" prio=10 tid=0x00000000534c5800 nid=0x2f56
runnable
"Gang worker#3 (Parallel GC Threads)" prio=10 tid=0x00000000534c7000 nid=0x2f57
runnable
"Gang worker#4 (Parallel GC Threads)" prio=10 tid=0x00000000534c9000 nid=0x2f58
runnable
"Gang worker#5 (Parallel GC Threads)" prio=10 tid=0x00000000534cb000 nid=0x2f59
runnable
"Gang worker#6 (Parallel GC Threads)" prio=10 tid=0x00000000534cc800 nid=0x2f5a
runnable
"Gang worker#7 (Parallel GC Threads)" prio=10 tid=0x00000000534ce800 nid=0x2f5b
runnable
"Concurrent Mark-Sweep GC Thread" prio=10 tid=0x000000005359e800 nid=0x2f5e
runnable
"Gang worker#0 (Parallel CMS Threads)" prio=10 tid=0x000000005359b000
nid=0x2f5c runnable
"Gang worker#1 (Parallel CMS Threads)" prio=10 tid=0x000000005359c800
nid=0x2f5d runnable
"VM Periodic Task Thread" prio=10 tid=0x00000000536b7800 nid=0x2f67 waiting on
condition
JNI global references: 960
Heap
par new generation total 115200K, used 67320K [0x00002aaaae6f0000,
0x00002aaab63f0000, 0x00002aaab63f0000)
eden space 102400K, 65% used [0x00002aaaae6f0000, 0x00002aaab28a6130,
0x00002aaab4af0000)
from space 12800K, 0% used [0x00002aaab5770000, 0x00002aaab5777f10,
0x00002aaab63f0000)
to space 12800K, 0% used [0x00002aaab4af0000, 0x00002aaab4af0000,
0x00002aaab5770000)
concurrent mark-sweep generation total 896000K, used 705982K
[0x00002aaab63f0000, 0x00002aaaecef0000, 0x00002aaaecef0000)
concurrent-mark-sweep perm gen total 27204K, used 16361K [0x00002aaaecef0000,
0x00002aaaee981000, 0x00002aaaf22f0000)
{code}
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