➜ util git:(trunk) ✗ jstack 75623 2014-04-06 20:42:34 Full thread dump Java HotSpot(TM) 64-Bit Server VM (23.21-b01 mixed mode):
"Attach Listener" daemon prio=10 tid=0x00007f1760001000 nid=0x135cd waiting on condition [0x0000000000000000] java.lang.Thread.State: RUNNABLE "DestroyJavaVM" prio=10 tid=0x00007f2cb8009800 nid=0x12768 waiting on condition [0x0000000000000000] java.lang.Thread.State: RUNNABLE "pool-1-thread-1" prio=10 tid=0x00007f2cb81c1800 nid=0x12788 waiting on condition [0x00007f175f6cc000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x00007f18ee497038> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2043) at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1079) at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:807) at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1068) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:722) "Service Thread" daemon prio=10 tid=0x00007f2cb8119000 nid=0x12786 runnable [0x0000000000000000] java.lang.Thread.State: RUNNABLE "C2 CompilerThread1" daemon prio=10 tid=0x00007f2cb8117000 nid=0x12785 waiting on condition [0x0000000000000000] java.lang.Thread.State: RUNNABLE "C2 CompilerThread0" daemon prio=10 tid=0x00007f2cb8114000 nid=0x12784 waiting on condition [0x0000000000000000] java.lang.Thread.State: RUNNABLE "Signal Dispatcher" daemon prio=10 tid=0x00007f2cb8112000 nid=0x12783 runnable [0x0000000000000000] java.lang.Thread.State: RUNNABLE "Finalizer" daemon prio=10 tid=0x00007f2cb80c4800 nid=0x12782 in Object.wait() [0x00007f17746a0000] java.lang.Thread.State: WAITING (on object monitor) at java.lang.Object.wait(Native Method) - waiting on <0x00007f18b4bd0b50> (a java.lang.ref.ReferenceQueue$Lock) at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:135) - locked <0x00007f18b4bd0b50> (a java.lang.ref.ReferenceQueue$Lock) at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:151) at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:189) "Reference Handler" daemon prio=10 tid=0x00007f2cb80c2000 nid=0x12781 in Object.wait() [0x00007f17747a1000] java.lang.Thread.State: WAITING (on object monitor) at java.lang.Object.wait(Native Method) - waiting on <0x00007f18b4bd7738> (a java.lang.ref.Reference$Lock) at java.lang.Object.wait(Object.java:503) at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:133) - locked <0x00007f18b4bd7738> (a java.lang.ref.Reference$Lock) "VM Thread" prio=10 tid=0x00007f2cb80ba800 nid=0x12780 runnable "GC task thread#0 (ParallelGC)" prio=10 tid=0x00007f2cb8017800 nid=0x12769 runnable "GC task thread#1 (ParallelGC)" prio=10 tid=0x00007f2cb8019000 nid=0x1276a runnable "GC task thread#2 (ParallelGC)" prio=10 tid=0x00007f2cb801b000 nid=0x1276b runnable "GC task thread#3 (ParallelGC)" prio=10 tid=0x00007f2cb801d000 nid=0x1276c runnable "GC task thread#4 (ParallelGC)" prio=10 tid=0x00007f2cb801e800 nid=0x1276d runnable "GC task thread#5 (ParallelGC)" prio=10 tid=0x00007f2cb8020800 nid=0x1276e runnable "GC task thread#6 (ParallelGC)" prio=10 tid=0x00007f2cb8022800 nid=0x1276f runnable "GC task thread#7 (ParallelGC)" prio=10 tid=0x00007f2cb8024000 nid=0x12770 runnable "GC task thread#8 (ParallelGC)" prio=10 tid=0x00007f2cb8026000 nid=0x12771 runnable "GC task thread#9 (ParallelGC)" prio=10 tid=0x00007f2cb8028000 nid=0x12772 runnable "GC task thread#10 (ParallelGC)" prio=10 tid=0x00007f2cb8029800 nid=0x12773 runnable "GC task thread#11 (ParallelGC)" prio=10 tid=0x00007f2cb802b800 nid=0x12774 runnable "GC task thread#12 (ParallelGC)" prio=10 tid=0x00007f2cb802d800 nid=0x12775 runnable "GC task thread#13 (ParallelGC)" prio=10 tid=0x00007f2cb802f000 nid=0x12776 runnable "GC task thread#14 (ParallelGC)" prio=10 tid=0x00007f2cb8031000 nid=0x12777 runnable "GC task thread#15 (ParallelGC)" prio=10 tid=0x00007f2cb8033000 nid=0x12778 runnable "GC task thread#16 (ParallelGC)" prio=10 tid=0x00007f2cb8035000 nid=0x12779 runnable "GC task thread#17 (ParallelGC)" prio=10 tid=0x00007f2cb8036800 nid=0x1277a runnable "GC task thread#18 (ParallelGC)" prio=10 tid=0x00007f2cb8038800 nid=0x1277b runnable "GC task thread#19 (ParallelGC)" prio=10 tid=0x00007f2cb803a800 nid=0x1277c runnable "GC task thread#20 (ParallelGC)" prio=10 tid=0x00007f2cb803c000 nid=0x1277d runnable "GC task thread#21 (ParallelGC)" prio=10 tid=0x00007f2cb803e000 nid=0x1277e runnable "GC task thread#22 (ParallelGC)" prio=10 tid=0x00007f2cb8040000 nid=0x1277f runnable "VM Periodic Task Thread" prio=10 tid=0x00007f2cb8124000 nid=0x12787 waiting on condition JNI global references: 130 On Mon, Apr 7, 2014 at 2:50 AM, Uwe Schindler <[email protected]> wrote: > Hi Benson, > > there must be another thread that sits on this lock: > - parking to wait for <0x00007f18ee497038> > But the stack trace you have shown has nothing to do with Lucene! This looks > like one of the normal threads always waiting for some external trigger (they > are used by the garbage collector). Could this be that one: > https://issues.apache.org/jira/browse/LUCENE-5573 > > So it would be better to get the *full* stack trace of all threads. > > Uwe > > ----- > Uwe Schindler > H.-H.-Meier-Allee 63, D-28213 Bremen > http://www.thetaphi.de > eMail: [email protected] > > >> -----Original Message----- >> From: Benson Margulies [mailto:[email protected]] >> Sent: Monday, April 07, 2014 2:41 AM >> To: [email protected] >> Subject: I may have run into something interesting with luceneutil >> >> Or I may not. >> >> https://code.google.com/a/apache- >> extras.org/p/luceneutil/wiki/AddToBuildTree?ts=1396830970&updated=Add >> ToBuildTree >> >> I'm trying to learn something about direct posting format using luceneutil. >> >> The above-linked page is what I'm trying on a 160G multicore machine. >> >> Using trunk, the SearchPerfTest process seems to be stuck. >> >> top shows a memory size of 60g -- not even the full 80 I gave it. >> >> No CPU is being consumed. >> >> No significant I/O from iostat. >> >> strace shows no activity. >> >> jstack is completely boring except for the one thread shown below. >> >> Anyone got any ideas? >> >> >> "pool-1-thread-1" prio=10 tid=0x00007f2cb81c1800 nid=0x12788 waiting on >> condition [0x00007f175f6cc000] >> java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native >> Method) >> - parking to wait for <0x00007f18ee497038> (a >> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) >> at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186) >> at >> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.aw >> ait(AbstractQueuedSynchronizer.java:2043) >> at >> java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.tak >> e(ScheduledThreadPoolExecutor.java:1079) >> at >> java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.tak >> e(ScheduledThreadPoolExecutor.java:807) >> at >> java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1 >> 068) >> at >> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.jav >> a:1130) >> at >> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.ja >> va:615) >> at java.lang.Thread.run(Thread.java:722) >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: [email protected] For additional >> commands, e-mail: [email protected] > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] > --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
