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- オラクルコンサルが実施するWebLogic Serverのパフォーマンスチューニング [PDF]
- Oracle WebLogic Serverチューニングのポイント
- WebLogic Server ワークマネージャ/オーバーロード・プロテクション
- WebLogic Server スレッド管理 - 概要
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$ jcmd 10898 weblogic.Server 10899 sun.tools.jcmd.JCmd $ jcmd 10898 Thread.print 10898: 2014-12-06 16:59:00 Full thread dump Java HotSpot(TM) 64-Bit Server VM (25.25-b02 mixed mode): "DynamicListenThread[Default]" #45 daemon prio=9 os_prio=31 tid=0x00007fb0883cb800 nid=0x7203 runnable [0x000000012b3ef000] java.lang.Thread.State: RUNNABLE at sun.nio.ch.ServerSocketChannelImpl.accept0(Native Method) at sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:241) - locked <0x0000000781d33a28> (a java.lang.Object) at weblogic.socket.WeblogicServerSocket.accept(WeblogicServerSocket.java:31) at weblogic.server.channels.DynamicListenThread$SocketAccepter.accept(DynamicListenThread.java:532) at weblogic.server.channels.DynamicListenThread$SocketAccepter.access$200(DynamicListenThread.java:414) at weblogic.server.channels.DynamicListenThread.run(DynamicListenThread.java:173) at java.lang.Thread.run(Thread.java:745) "DynamicListenThread[Default[1]]" #44 daemon prio=9 os_prio=31 tid=0x00007fb085237000 nid=0x7003 runnable [0x000000012b2ec000] java.lang.Thread.State: RUNNABLE at sun.nio.ch.ServerSocketChannelImpl.accept0(Native Method) at sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:241) - locked <0x0000000781d7c6b8> (a java.lang.Object) at weblogic.socket.WeblogicServerSocket.accept(WeblogicServerSocket.java:31) at weblogic.server.channels.DynamicListenThread$SocketAccepter.accept(DynamicListenThread.java:532) at weblogic.server.channels.DynamicListenThread$SocketAccepter.access$200(DynamicListenThread.java:414) at weblogic.server.channels.DynamicListenThread.run(DynamicListenThread.java:173) at java.lang.Thread.run(Thread.java:745) "DynamicListenThread[Default[2]]" #43 daemon prio=9 os_prio=31 tid=0x00007fb0850e9800 nid=0x3207 runnable [0x000000012af44000] java.lang.Thread.State: RUNNABLE at sun.nio.ch.ServerSocketChannelImpl.accept0(Native Method) at sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:241) - locked <0x0000000781d7d6a8> (a java.lang.Object) at weblogic.socket.WeblogicServerSocket.accept(WeblogicServerSocket.java:31) at weblogic.server.channels.DynamicListenThread$SocketAccepter.accept(DynamicListenThread.java:532) at weblogic.server.channels.DynamicListenThread$SocketAccepter.access$200(DynamicListenThread.java:414) at weblogic.server.channels.DynamicListenThread.run(DynamicListenThread.java:173) at java.lang.Thread.run(Thread.java:745) "weblogic.GCMonitor" #41 daemon prio=5 os_prio=31 tid=0x00007fb088330000 nid=0x3707 in Object.wait() [0x000000012623c000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:142) - locked <0x0000000781a351d0> (a java.lang.ref.ReferenceQueue$Lock) at weblogic.platform.GCMonitorThread.waitForNotification(GCMonitorThread.java:86) at weblogic.platform.GCMonitorThread.run(GCMonitorThread.java:62) "Thread-18" #40 prio=5 os_prio=31 tid=0x00007fb085bc0000 nid=0x300b waiting on condition [0x0000000125312000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x00000007816d99f8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039) at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442) at weblogic.utils.concurrent.JDK15ConcurrentBlockingQueue.take(JDK15ConcurrentBlockingQueue.java:89) at weblogic.store.internal.PersistentStoreImpl.getOutstandingWork(PersistentStoreImpl.java:724) at weblogic.store.internal.PersistentStoreImpl.synchronousFlush(PersistentStoreImpl.java:1124) at weblogic.store.internal.PersistentStoreImpl.run(PersistentStoreImpl.java:1116) at java.lang.Thread.run(Thread.java:745) "[STANDBY] ExecuteThread: '4' for queue: 'weblogic.kernel.Default (self-tuning)'" #39 daemon prio=5 os_prio=31 tid=0x00007fb084c58000 nid=0x6d03 in Object.wait() [0x0000000128ca7000] java.lang.Thread.State: WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.lang.Object.wait(Object.java:502) at weblogic.work.ExecuteThread.waitForRequest(ExecuteThread.java:247) - locked <0x0000000780cf2d08> (a weblogic.work.ExecuteThread) at weblogic.work.ExecuteThread.run(ExecuteThread.java:281) "ExecuteThread: '3' for queue: 'weblogic.socket.Muxer'" #38 daemon prio=5 os_prio=31 tid=0x00007fb084a81800 nid=0x6b03 runnable [0x0000000128ba4000] java.lang.Thread.State: RUNNABLE at sun.nio.ch.KQueueArrayWrapper.kevent0(Native Method) at sun.nio.ch.KQueueArrayWrapper.poll(KQueueArrayWrapper.java:198) at sun.nio.ch.KQueueSelectorImpl.doSelect(KQueueSelectorImpl.java:103) at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86) - locked <0x0000000780a12978> (a sun.nio.ch.Util$2) - locked <0x0000000780a12968> (a java.util.Collections$UnmodifiableSet) - locked <0x0000000780a12838> (a sun.nio.ch.KQueueSelectorImpl) at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97) at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101) at weblogic.socket.NIOSocketMuxer.selectFrom(NIOSocketMuxer.java:529) at weblogic.socket.NIOSocketMuxer.processSockets(NIOSocketMuxer.java:458) at weblogic.socket.SocketReaderRequest.run(SocketReaderRequest.java:30) at weblogic.socket.SocketReaderRequest.execute(SocketReaderRequest.java:43) at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:147) at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:119) "ExecuteThread: '2' for queue: 'weblogic.socket.Muxer'" #37 daemon prio=5 os_prio=31 tid=0x00007fb0845d4000 nid=0x6903 runnable [0x0000000128aa1000] java.lang.Thread.State: RUNNABLE at sun.nio.ch.KQueueArrayWrapper.kevent0(Native Method) at sun.nio.ch.KQueueArrayWrapper.poll(KQueueArrayWrapper.java:198) at sun.nio.ch.KQueueSelectorImpl.doSelect(KQueueSelectorImpl.java:103) at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86) - locked <0x0000000780a13310> (a sun.nio.ch.Util$2) - locked <0x0000000780a13300> (a java.util.Collections$UnmodifiableSet) - locked <0x0000000780a131e0> (a sun.nio.ch.KQueueSelectorImpl) at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97) at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101) at weblogic.socket.NIOSocketMuxer.selectFrom(NIOSocketMuxer.java:529) at weblogic.socket.NIOSocketMuxer.processSockets(NIOSocketMuxer.java:458) at weblogic.socket.SocketReaderRequest.run(SocketReaderRequest.java:30) at weblogic.socket.SocketReaderRequest.execute(SocketReaderRequest.java:43) at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:147) at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:119) "ExecuteThread: '1' for queue: 'weblogic.socket.Muxer'" #36 daemon prio=5 os_prio=31 tid=0x00007fb08557e800 nid=0x6703 runnable [0x000000012899e000] java.lang.Thread.State: RUNNABLE at sun.nio.ch.KQueueArrayWrapper.kevent0(Native Method) at sun.nio.ch.KQueueArrayWrapper.poll(KQueueArrayWrapper.java:198) at sun.nio.ch.KQueueSelectorImpl.doSelect(KQueueSelectorImpl.java:103) at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86) - locked <0x0000000780a13ca8> (a sun.nio.ch.Util$2) - locked <0x0000000780a13c98> (a java.util.Collections$UnmodifiableSet) - locked <0x0000000780a13b78> (a sun.nio.ch.KQueueSelectorImpl) at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97) at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101) at weblogic.socket.NIOSocketMuxer.selectFrom(NIOSocketMuxer.java:529) at weblogic.socket.NIOSocketMuxer.processSockets(NIOSocketMuxer.java:458) at weblogic.socket.SocketReaderRequest.run(SocketReaderRequest.java:30) at weblogic.socket.SocketReaderRequest.execute(SocketReaderRequest.java:43) at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:147) at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:119) "ExecuteThread: '0' for queue: 'weblogic.socket.Muxer'" #35 daemon prio=5 os_prio=31 tid=0x00007fb0845b6000 nid=0x6503 runnable [0x000000012736f000] java.lang.Thread.State: RUNNABLE at sun.nio.ch.KQueueArrayWrapper.kevent0(Native Method) at sun.nio.ch.KQueueArrayWrapper.poll(KQueueArrayWrapper.java:198) at sun.nio.ch.KQueueSelectorImpl.doSelect(KQueueSelectorImpl.java:103) at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86) - locked <0x0000000780a14640> (a sun.nio.ch.Util$2) - locked <0x0000000780a14630> (a java.util.Collections$UnmodifiableSet) - locked <0x0000000780a14510> (a sun.nio.ch.KQueueSelectorImpl) at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97) at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101) at weblogic.socket.NIOSocketMuxer.selectFrom(NIOSocketMuxer.java:529) at weblogic.socket.NIOSocketMuxer.processSockets(NIOSocketMuxer.java:458) at weblogic.socket.SocketReaderRequest.run(SocketReaderRequest.java:30) at weblogic.socket.SocketReaderRequest.execute(SocketReaderRequest.java:43) at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:147) at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:119) "Thread-17" #34 prio=5 os_prio=31 tid=0x00007fb0840eb800 nid=0x6107 waiting on condition [0x000000012726c000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x0000000780c018b0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039) at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442) at weblogic.utils.concurrent.JDK15ConcurrentBlockingQueue.take(JDK15ConcurrentBlockingQueue.java:89) at weblogic.store.internal.PersistentStoreImpl.getOutstandingWork(PersistentStoreImpl.java:724) at weblogic.store.internal.PersistentStoreImpl.synchronousFlush(PersistentStoreImpl.java:1124) at weblogic.store.internal.PersistentStoreImpl.run(PersistentStoreImpl.java:1116) at java.lang.Thread.run(Thread.java:745) "DoSManager" #33 daemon prio=6 os_prio=31 tid=0x00007fb0841e0800 nid=0x6303 waiting on condition [0x000000012749b000] java.lang.Thread.State: TIMED_WAITING (sleeping) at java.lang.Thread.sleep(Native Method) at com.octetstring.vde.DoSManager.run(DoSManager.java:433) "VDE Transaction Processor Thread" #31 daemon prio=2 os_prio=31 tid=0x00007fb084b85800 nid=0x4d07 in Object.wait() [0x0000000127169000] java.lang.Thread.State: WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.lang.Object.wait(Object.java:502) at com.octetstring.vde.backend.standard.TransactionProcessor.waitChange(TransactionProcessor.java:367) - locked <0x000000078097c808> (a com.octetstring.vde.backend.standard.TransactionProcessor) at com.octetstring.vde.backend.standard.TransactionProcessor.run(TransactionProcessor.java:212) "[STANDBY] ExecuteThread: '3' for queue: 'weblogic.kernel.Default (self-tuning)'" #26 daemon prio=5 os_prio=31 tid=0x00007fb08530a000 nid=0x5107 in Object.wait() [0x00000001257f7000] java.lang.Thread.State: WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.lang.Object.wait(Object.java:502) at weblogic.work.ExecuteThread.waitForRequest(ExecuteThread.java:247) - locked <0x0000000780cf3ee0> (a weblogic.work.ExecuteThread) at weblogic.work.ExecuteThread.run(ExecuteThread.java:281) "[STANDBY] ExecuteThread: '2' for queue: 'weblogic.kernel.Default (self-tuning)'" #25 daemon prio=5 os_prio=31 tid=0x00007fb085226000 nid=0x5307 in Object.wait() [0x00000001256f4000] java.lang.Thread.State: WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.lang.Object.wait(Object.java:502) at weblogic.work.ExecuteThread.waitForRequest(ExecuteThread.java:247) - locked <0x0000000780d0e7f0> (a weblogic.work.ExecuteThread) at weblogic.work.ExecuteThread.run(ExecuteThread.java:281) "[STANDBY] ExecuteThread: '1' for queue: 'weblogic.kernel.Default (self-tuning)'" #24 daemon prio=5 os_prio=31 tid=0x00007fb0848b8000 nid=0x4f0f in Object.wait() [0x00000001255f1000] java.lang.Thread.State: WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.lang.Object.wait(Object.java:502) at weblogic.work.ExecuteThread.waitForRequest(ExecuteThread.java:247) - locked <0x0000000780d22830> (a weblogic.work.ExecuteThread) at weblogic.work.ExecuteThread.run(ExecuteThread.java:281) "weblogic.timers.TimerThread" #22 daemon prio=9 os_prio=31 tid=0x00007fb084512800 nid=0x5f03 in Object.wait() [0x0000000126e66000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at weblogic.timers.internal.TimerThread.doWait(TimerThread.java:114) - locked <0x00000007805f69e8> (a java.lang.Object) at weblogic.timers.internal.TimerThread.access$000(TimerThread.java:22) at weblogic.timers.internal.TimerThread$Thread.run(TimerThread.java:290) "weblogic.time.TimeEventGenerator" #21 daemon prio=9 os_prio=31 tid=0x00007fb086097800 nid=0x5d03 in Object.wait() [0x0000000126d63000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at weblogic.time.common.internal.TimeTable.snooze(TimeTable.java:286) - locked <0x0000000780675500> (a weblogic.time.common.internal.TimeTable) at weblogic.time.common.internal.TimeEventGenerator.run(TimeEventGenerator.java:117) at java.lang.Thread.run(Thread.java:745) "[ACTIVE] ExecuteThread: '0' for queue: 'weblogic.kernel.Default (self-tuning)'" #20 daemon prio=5 os_prio=31 tid=0x00007fb0845a6800 nid=0x5b03 in Object.wait() [0x00000001265c9000] java.lang.Thread.State: WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.lang.Object.wait(Object.java:502) at weblogic.work.ExecuteThread.waitForRequest(ExecuteThread.java:247) - locked <0x000000078064c548> (a weblogic.work.ExecuteThread) at weblogic.work.ExecuteThread.run(ExecuteThread.java:281) "Timer-2" #19 daemon prio=5 os_prio=31 tid=0x00007fb08618e800 nid=0x5903 in Object.wait() [0x0000000125125000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x00000007805f6cc0> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "Attach Listener" #18 daemon prio=9 os_prio=31 tid=0x00007fb085c42800 nid=0x5703 waiting on condition [0x0000000000000000] java.lang.Thread.State: RUNNABLE "Timer-1" #17 daemon prio=5 os_prio=31 tid=0x00007fb08449a800 nid=0x5503 in Object.wait() [0x00000001259fd000] java.lang.Thread.State: WAITING (on object monitor) at java.lang.Object.wait(Native Method) - waiting on <0x00000007805f7258> (a java.util.TaskQueue) at java.lang.Object.wait(Object.java:502) at java.util.TimerThread.mainLoop(Timer.java:526) - locked <0x00000007805f7258> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "Timer-0" #11 daemon prio=5 os_prio=31 tid=0x00007fb085bc4800 nid=0x4b03 in Object.wait() [0x00000001254ee000] java.lang.Thread.State: WAITING (on object monitor) at java.lang.Object.wait(Native Method) - waiting on <0x000000078064bdf8> (a java.util.TaskQueue) at java.lang.Object.wait(Object.java:502) at java.util.TimerThread.mainLoop(Timer.java:526) - locked <0x000000078064bdf8> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "Service Thread" #8 daemon prio=9 os_prio=31 tid=0x00007fb085056000 nid=0x4703 runnable [0x0000000000000000] java.lang.Thread.State: RUNNABLE "C1 CompilerThread2" #7 daemon prio=9 os_prio=31 tid=0x00007fb084038800 nid=0x4503 waiting on condition [0x0000000000000000] java.lang.Thread.State: RUNNABLE "C2 CompilerThread1" #6 daemon prio=9 os_prio=31 tid=0x00007fb084038000 nid=0x4303 waiting on condition [0x0000000000000000] java.lang.Thread.State: RUNNABLE "C2 CompilerThread0" #5 daemon prio=9 os_prio=31 tid=0x00007fb084032000 nid=0x4103 waiting on condition [0x0000000000000000] java.lang.Thread.State: RUNNABLE "Signal Dispatcher" #4 daemon prio=9 os_prio=31 tid=0x00007fb084006000 nid=0x3417 runnable [0x0000000000000000] java.lang.Thread.State: RUNNABLE "Finalizer" #3 daemon prio=8 os_prio=31 tid=0x00007fb08581a800 nid=0x2d03 in Object.wait() [0x0000000121c71000] java.lang.Thread.State: WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:142) - locked <0x0000000780204778> (a java.lang.ref.ReferenceQueue$Lock) at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:158) at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:209) "Reference Handler" #2 daemon prio=10 os_prio=31 tid=0x00007fb08581a000 nid=0x2b03 in Object.wait() [0x0000000121b6e000] java.lang.Thread.State: WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.lang.Object.wait(Object.java:502) at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:157) - locked <0x00000007800489b0> (a java.lang.ref.Reference$Lock) "main" #1 prio=5 os_prio=31 tid=0x00007fb085005000 nid=0xd03 in Object.wait() [0x000000010d8db000] java.lang.Thread.State: WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.lang.Object.wait(Object.java:502) at weblogic.t3.srvr.T3Srvr.waitForDeath(T3Srvr.java:1130) - locked <0x00000007803aef20> (a weblogic.t3.srvr.T3Srvr) at weblogic.t3.srvr.T3Srvr.run(T3Srvr.java:538) at weblogic.Server.main(Server.java:65) "VM Thread" os_prio=31 tid=0x00007fb085815800 nid=0x2903 runnable "GC task thread#0 (ParallelGC)" os_prio=31 tid=0x00007fb08400a800 nid=0x2103 runnable "GC task thread#1 (ParallelGC)" os_prio=31 tid=0x00007fb08400b000 nid=0x2303 runnable "GC task thread#2 (ParallelGC)" os_prio=31 tid=0x00007fb08400c000 nid=0x2503 runnable "GC task thread#3 (ParallelGC)" os_prio=31 tid=0x00007fb08400c800 nid=0x2703 runnable "VM Periodic Task Thread" os_prio=31 tid=0x00007fb08501b000 nid=0x4903 waiting on condition JNI global references: 46
ã§ã¯è¦‹ã¦è¡Œãã¾ã—ょã†ã€‚
ã™ã¹ã¦ã§ã¯ãªãã€JVMã§åˆ©ç”¨ã™ã‚‹ã‚¹ãƒ¬ãƒƒãƒ‰(コンパイラスレッドやGCスレッドãªã©)ã¯è§£èª¬ã—ã¾ã›ã‚“ã®ã§ã€ã”了承ãã ã•ã„。
ã¾ãŸã€æŽ¨æ¸¬ã‚’多々å«ã‚€ãŸã‚ã€èª¤ã£ã¦ã„る箇所もã‚ã‚‹ã‹ã‚‚ã—ã‚Œã¾ã›ã‚“ãŒã€ä½•å’ã”容赦ãã ã•ã„ã¾ã›ã€‚
ã¾ãšã¯å…ˆã»ã©è§£èª¬ã—ãŸãƒªã‚¯ã‚¨ã‚¹ãƒˆå‡¦ç†ã®è¦ã¨ãªã‚‹ã‚¹ãƒ¬ãƒƒãƒ‰ç¾¤ã‹ã‚‰ã§ã™ã€‚
Listenスレッド
「DynamicListenThreadã€ã‹ã‚‰å§‹ã¾ã‚‹ã‚¹ãƒ¬ãƒƒãƒ‰ãŒè©²å½“ã—ã¾ã™ã€‚例ãˆã°ä»¥ä¸‹ã§ã™ã€‚
"DynamicListenThread[Default]" #45 daemon prio=9 os_prio=31 tid=0x00007fb0883cb800 nid=0x7203 runnable [0x000000012b3ef000] java.lang.Thread.State: RUNNABLE at sun.nio.ch.ServerSocketChannelImpl.accept0(Native Method) at sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:241) - locked <0x0000000781d33a28> (a java.lang.Object) at weblogic.socket.WeblogicServerSocket.accept(WeblogicServerSocket.java:31) at weblogic.server.channels.DynamicListenThread$SocketAccepter.accept(DynamicListenThread.java:532) at weblogic.server.channels.DynamicListenThread$SocketAccepter.access$200(DynamicListenThread.java:414) at weblogic.server.channels.DynamicListenThread.run(DynamicListenThread.java:173) at java.lang.Thread.run(Thread.java:745)
サーãƒãƒ¼ã‚½ã‚±ãƒƒãƒˆã§æŽ¥ç¶šè¦æ±‚ã‚’ã²ãŸã™ã‚‰å¾…æ©Ÿã—ã¦ã„る様åãŒç¢ºèªã§ãã¾ã™ã。
ã“ã®Listenスレッドã¯ã€ãƒªã‚¹ãƒ‹ãƒ³ã‚°ã™ã‚‹ãƒãƒ£ãƒãƒ«ã”ã¨ã«ä½œæˆã•ã‚Œã¾ã™ã€‚
ãƒãƒ£ãƒãƒ«ã¨ã¯ãƒªã‚¹ãƒ‹ãƒ³ã‚°ã™ã‚‹ã‚¢ãƒ‰ãƒ¬ã‚¹ãƒ»ãƒãƒ¼ãƒˆ(æ£ç¢ºã«ã¯ãƒ—ãƒãƒˆã‚³ãƒ«å«ã‚€)ã®çµ„ã¿åˆã‚ã›ã ã¨æ€ã£ã¦ãã ã•ã„。
起動時ã®ãƒã‚°ã§ä»¥ä¸‹ã®ã‚ˆã†ã«å‡ºåŠ›ã•ã‚Œã¾ã™ã€‚
<Notice> <Server> <BEA-002613> <Channel "Default" is now listening on 192.168.0.2:7001 for protocols iiop, t3, ldap, snmp, http.> <Notice> <Server> <BEA-002613> <Channel "Default[2]" is now listening on 127.0.0.1:7001 for protocols iiop, t3, ldap, snmp, http.> <Notice> <Server> <BEA-002613> <Channel "Default[1]" is now listening on 0:0:0:0:0:0:0:1:7001 for protocols iiop, t3, ldap, snmp, http.>
上記ã«å‡ºã¦ã„ã‚‹Defaultãƒãƒ£ãƒãƒ«ã¯å°‘ã—特殊ã§ã€ã‚µãƒ¼ãƒã‚¤ãƒ³ã‚¹ã‚¿ãƒ³ã‚¹å˜ä½ã®ãƒªã‚¹ãƒ‹ãƒ³ã‚°ã‚¢ãƒ‰ãƒ¬ã‚¹ã¨ãƒãƒ¼ãƒˆã«åŸºã¥ã„ã¦ä½œæˆã•ã‚Œã€è¤‡æ•°ã®ãƒ—ãƒãƒˆã‚³ãƒ«ã‚’サãƒãƒ¼ãƒˆã—ã¦ã„ã¾ã™ã€‚
Default[1]ã‚„Default[2]ã®ã‚ˆã†ã«æ•°å—ãŒã¤ã„ã¦ã„ã‚‹ã®ã¯ã€ãƒªã‚¹ãƒ‹ãƒ³ã‚°ã‚¢ãƒ‰ãƒ¬ã‚¹ãŒç©ºã®å ´åˆã€OSã«ãƒã‚¤ãƒ³ãƒ‰ã•ã‚Œã¦ã„ã‚‹ã™ã¹ã¦ã®IPアドレスã«ç´ä»˜ã„ã¦æ§‹æˆã•ã‚Œã‚‹ãŸã‚ã§ã™ã€‚
ã—ã‹ã—ã€ãƒ—ãƒãƒ€ã‚¯ã‚·ãƒ§ãƒ³ç’°å¢ƒã§ã¯ã€ãƒªã‚¹ãƒ‹ãƒ³ã‚°ã‚¢ãƒ‰ãƒ¬ã‚¹ã‚’空ã«ã™ã‚‹ã“ã¨ã¯é¿ã‘ã€æ˜Žç¤ºçš„ã«å˜ä¸€ã®ã‚¢ãƒ‰ãƒ¬ã‚¹ã‚’指定ã™ã¹ãã§ã™ã€‚ãれ以外ã®ã‚¢ãƒ‰ãƒ¬ã‚¹ã§ãƒªã‚¹ãƒ‹ãƒ³ã‚°ã—ãŸã„å ´åˆã¯ã€ã‚«ã‚¹ã‚¿ãƒ ã®ãƒãƒ£ãƒãƒ«ã‚’構æˆã™ã‚‹ã“ã¨ã‚‚ã§ãã€ãã®éš›ã¯æ˜Žç¤ºçš„ã«http(s)ãªã©ã®ãƒ—ãƒãƒˆã‚³ãƒ«ã‚’指定ã—ã¾ã™ã€‚
以å‰ã€WebLogic Server勉強会ã§ã‚‚話ã—ãŸã®ã§ã€ã‚ˆã‚ã—ã‘ã‚Œã°å‚ç…§ãã ã•ã„。
管ç†ã‚³ãƒ³ã‚½ãƒ¼ãƒ«ã‹ã‚‰ãƒãƒ£ãƒãƒ«ã”ã¨ã®çµ±è¨ˆæƒ…å ±ã‚’å–å¾—ã™ã‚‹ã“ã¨ã‚‚ã§ãã¾ã™ã€‚
- 環境→サーãƒãƒ¼â†’{サーãƒãƒ¼å}→監視→ãƒãƒ£ãƒãƒ«
ãƒãƒ£ãƒãƒ«ã«ã¤ã„ã¦ã®è©³ç´°ã¯ã€ä»¥ä¸‹ã®ãƒžãƒ‹ãƒ¥ã‚¢ãƒ«ã‹ã‚‰ç¢ºèªã§ãã¾ã™ã€‚
Muxer(マルãƒãƒ—レクサ)スレッド
「ExecuteThread: 'n' for queue: 'weblogic.socket.Muxer'ã€ãŒè©²å½“ã—ã¾ã™ã€‚例ãˆã°ä»¥ä¸‹ã§ã™ã€‚
"ExecuteThread: '0' for queue: 'weblogic.socket.Muxer'" #35 daemon prio=5 os_prio=31 tid=0x00007fb0845b6000 nid=0x6503 runnable [0x000000012736f000] java.lang.Thread.State: RUNNABLE at sun.nio.ch.KQueueArrayWrapper.kevent0(Native Method) at sun.nio.ch.KQueueArrayWrapper.poll(KQueueArrayWrapper.java:198) at sun.nio.ch.KQueueSelectorImpl.doSelect(KQueueSelectorImpl.java:103) at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86) - locked <0x0000000780a14640> (a sun.nio.ch.Util$2) - locked <0x0000000780a14630> (a java.util.Collections$UnmodifiableSet) - locked <0x0000000780a14510> (a sun.nio.ch.KQueueSelectorImpl) at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97) at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101) at weblogic.socket.NIOSocketMuxer.selectFrom(NIOSocketMuxer.java:529) at weblogic.socket.NIOSocketMuxer.processSockets(NIOSocketMuxer.java:458) at weblogic.socket.SocketReaderRequest.run(SocketReaderRequest.java:30) at weblogic.socket.SocketReaderRequest.execute(SocketReaderRequest.java:43) at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:147) at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:119)
ã“ã“ã§ã¯NIOSocketMuxerã¨ã„ã†Muxer実装ãŒä½¿ã‚ã‚Œã¦ã„ã‚‹ã“ã¨ãŒåˆ†ã‹ã‚Šã¾ã™ã€‚
OSã”ã¨ã«Native Muxer実装もå˜åœ¨ã—ã¾ã™ã€‚例ãˆã°ã€Windowsã ã¨NTSocketMuxerã€Unix環境ã ã¨PosixSocketMuxerã‚„DevPollSocketMuxerãŒã‚ã‚Šã€ä»¥å‰ã¯ãƒ‡ãƒ•ã‚©ãƒ«ãƒˆã§åˆ©ç”¨ã•ã‚Œã¦ã„ã¾ã—ãŸã€‚*3
Native実装ã¯ãƒ‘フォーマンスã¯ã‚ˆã„ã®ã§ã™ãŒã€ç¨€ã«ã‚¯ãƒ©ãƒƒã‚·ãƒ¥ã—ãŸã‚Šã€è§£æžã—ã¥ã‚‰ã„Nativeメモリリークを引ãèµ·ã“ã™ã“ã¨ãŒã‚ã‚Šã¾ã™ã€‚
ã“ã®ãŸã‚ã€åˆ‡ã‚Šåˆ†ã‘ã¨ã—ã¦Java Socket Muxerを使ã£ãŸã‚Šã€åˆ¥ã®Muxer実装を利用ã™ã‚‹ã‚ˆã†ã«å¤‰æ›´ã™ã‚‹ã“ã¨ã‚‚ã§ãã¾ã™ã€‚
- 環境→サーãƒãƒ¼â†’{サーãƒãƒ¼å}→構æˆâ†’ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°
:
Muxerã«ã¤ã„ã¦ã¯ã€ä»¥ä¸‹ã®ãƒžãƒ‹ãƒ¥ã‚¢ãƒ«ã‹ã‚‰ç¢ºèªã§ãã¾ã™ã€‚
実行スレッド
「[STATE] ExecuteThread: 'n' for queue: 'weblogic.kernel.Default (self-tuning)'ã€ãŒè©²å½“ã—ã¾ã™ã€‚例ãˆã°ä»¥ä¸‹ã§ã™ã€‚
"[ACTIVE] ExecuteThread: '0' for queue: 'weblogic.kernel.Default (self-tuning)'" #20 daemon prio=5 os_prio=31 tid=0x00007fb0845a6800 nid=0x5b03 in Object.wait() [0x00000001265c9000] java.lang.Thread.State: WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.lang.Object.wait(Object.java:502) at weblogic.work.ExecuteThread.waitForRequest(ExecuteThread.java:247) - locked <0x000000078064c548> (a weblogic.work.ExecuteThread) at weblogic.work.ExecuteThread.run(ExecuteThread.java:281) "[STANDBY] ExecuteThread: '4' for queue: 'weblogic.kernel.Default (self-tuning)'" #39 daemon prio=5 os_prio=31 tid=0x00007fb084c58000 nid=0x6d03 in Object.wait() [0x0000000128ca7000] java.lang.Thread.State: WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.lang.Object.wait(Object.java:502) at weblogic.work.ExecuteThread.waitForRequest(ExecuteThread.java:247) - locked <0x0000000780cf2d08> (a weblogic.work.ExecuteThread) at weblogic.work.ExecuteThread.run(ExecuteThread.java:281)
ã“ã®å®Ÿè¡Œã‚¹ãƒ¬ãƒƒãƒ‰ãŒä¸€ç•ªã®è‚ã§ã™ã€‚例ãˆã°ãƒãƒ³ã‚°ã‚¢ãƒƒãƒ—やスãƒãƒ¼ãƒ€ã‚¦ãƒ³ãŒç™ºç”Ÿã™ã‚‹å ´åˆã¯ã€ã‚¢ãƒ—リケーション処ç†ãŒå•é¡Œã«ãªã£ã¦ã„ã‚‹ã“ã¨ãŒå¤šã„ãŸã‚ã€ã‚¹ãƒ¬ãƒƒãƒ‰ãƒ€ãƒ³ãƒ—を解æžã™ã‚‹éš›ã«ã¯ã€ã“ã®è¾ºã‚Šã‚’ä¸å¿ƒã«è¦‹ã¦ã„ãã“ã¨ã«ãªã‚Šã¾ã™ã€‚
今回ã¯è§£æžæ–¹æ³•ã«ã¯è§¦ã‚Œã¾ã›ã‚“ãŒã€侍ã‚„ThreadLogicã¨ã„ã£ãŸãƒ„ールãŒå½¹ã«ç«‹ã¡ã¾ã™ã€‚
スレッドåを構æˆã™ã‚‹è¦ç´ ã‚’ç´°ã‹ã見ã¦è¡Œãã¾ã—ょã†ã€‚
[STATE]
実行スレッドã®ç®¡ç†çŠ¶æ…‹ãŒä»˜åŠ ã•ã‚Œã¦ãŠã‚Šã€ä»¥ä¸‹ã®3種類ãŒã‚ã‚Šã¾ã™ã€‚
| STATE | 説明 |
|---|---|
| ACTIVE | スレッドãŒãƒªã‚¯ã‚¨ã‚¹ãƒˆã‚’実行ä¸ã§ã‚ã‚‹ã‹ã€ã¾ãŸã¯ãƒªã‚¯ã‚¨ã‚¹ãƒˆã‚’ã™ãã«å®Ÿè¡Œã§ãる状態 |
| STANDBY | アクティブãªã‚¹ãƒ¬ãƒƒãƒ‰ãƒ—ールã‹ã‚‰å‰Šé™¤ã•ã‚Œã¦ã„ã¦ã€ãƒªã‚¯ã‚¨ã‚¹ãƒˆã‚’ã™ãã«ã¯å‡¦ç†ã§ããªã„状態 |
| STUCK | リクエストを実行ä¸ã ãŒã€ã—ã°ã‚‰ã経ã£ã¦ã‚‚完了ã—ã¦ã„ãªã„状態 |
ACTIVEã ã‹ã‚‰ã¨ã„ã£ã¦å¿…ãšã—もリクエストを実行ä¸ãªè¨³ã§ã¯ãªã„ã“ã¨ã«æ³¨æ„ã—ã¦ãã ã•ã„。*4
STANDBYã§ã‚‚ãªãアイドル状態ã«ã‚‚ãªã£ã¦ã„ãªã„å ´åˆã¯ã€ãƒªã‚¯ã‚¨ã‚¹ãƒˆã‚’実行ã—ã¦ã„ã‚‹ã¨ã¿ãªã™ã“ã¨ãŒã§ãã€ã“ã®è©³ç´°ã¯JMX(管ç†ã‚³ãƒ³ã‚½ãƒ¼ãƒ«ãªã©)ã§ç¢ºèªã§ãã¾ã™ã€‚
- 環境→サーãƒãƒ¼â†’{サーãƒãƒ¼å}→監視→スレッド
:
STUCKã¯å°‘ã—特殊ãªçŠ¶æ…‹ã§ã™ã€‚WLSã¯å®šæœŸçš„ã«å®Ÿè¡Œã‚¹ãƒ¬ãƒƒãƒ‰ã‚’監視ã—ã¦ãŠã‚Šã€ãƒ‡ãƒ•ã‚©ãƒ«ãƒˆã§600秒(10分)以上リクエストを実行ä¸ã®ã‚¹ãƒ¬ãƒƒãƒ‰ã‚’ã“ã®çŠ¶æ…‹ã«ãƒžãƒ¼ã‚¯ã—ã¾ã™ã€‚“スタックâ€ã¨ã‚«ã‚¿ã‚«ãƒŠã§æ›¸ã„ãŸã‚Šç™ºéŸ³ã™ã‚‹ã¨ã€ã‚¹ãƒ¬ãƒƒãƒ‰ã®è©±ã‹ã‚‰"Stack"ã¨å‹˜é•ã„ã—ã‚„ã™ã„ã®ã§ã™ãŒã€è©°ã¾ã£ãŸã¨ã‹ã‚’æ„味ã™ã‚‹"Stuck"ã§ã™ã。
ãƒãƒ³ã‚°ã‚¢ãƒƒãƒ—ãŒé•·æœŸé–“続ã„ã¦ã„ã‚‹å ´åˆã¯ã€ã“ã“ã‹ã‚‰è¦‹ã¦ã„ãã¨ã„ã„ã§ã—ょã†ã€‚ãƒã‚°ã«ã‚‚以下ã®ã‚ˆã†ã«å‡ºåŠ›ã•ã‚Œã¾ã™ã€‚
<Error> <WebLogicServer> <BEA-000337> <[STUCK] ExecuteThread: '3' for queue: 'weblogic.kernel.Default (self-tuning)' has been busy for "601" seconds working on the request "Workmanager: default, Version: 0, Scheduled=false, Started=true, Started time: 601951 ms ", which is more than the configured time (StuckThreadMaxTime) of "600" seconds in "server-failure-trigger". Stack trace: java.lang.Thread.sleep(Native Method) com.munzandmore.stuckthread.LongRunningEJB.threadSleep(LongRunningEJB.java:26) com.munzandmore.stuckthread.LongRunningEJB_x9v26k_NoIntfViewImpl.__WL_invoke(Unknown Source) weblogic.ejb.container.internal.SessionLocalMethodInvoker.invoke(SessionLocalMethodInvoker.java:33) weblogic.ejb.container.internal.AsyncExecutor$Invoker.invoke(AsyncExecutor.java:205) weblogic.ejb.container.internal.AsyncExecutor.run(AsyncExecutor.java:73) weblogic.work.SelfTuningWorkManagerImpl$WorkAdapterImpl.run(SelfTuningWorkManagerImpl.java:548) weblogic.work.ExecuteThread.execute(ExecuteThread.java:311) weblogic.work.ExecuteThread.run(ExecuteThread.java:263) >
ExecuteThread: 'n' for queue:
ã“ã“ã¯ã•ã‚‰ã£ã¨æµã—ã¾ã—ょã†ã€‚実行スレッドã”ã¨ã«é †ç•ªãŒã¤ã‘られã¦ã„ã¾ã™ã€‚
å…ˆã»ã©èª¬æ˜Žã—ãŸMuxerも実行スレッドã®æ©Ÿèƒ½ã‚’æµç”¨ã—ã¦ã„ã‚‹ã®ã‹ã€åŒã˜ã‚ˆã†ãªåå‰ã«ãªã£ã¦ã„ã¾ã™ã。
'weblogic.kernel.Default (self-tuning)'
スレッドã®è‡ªå‹•ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°ãŒã•ã‚Œã¦ã„ã‚‹ã“ã¨ã‚’æ„味ã—ã¾ã™ã€‚
ã“ã®æ–‡è¨€ã¯åŸºæœ¬çš„ã«å›ºå®šãªã®ã§ã™ãŒã€ã‚‚ã†å°‘ã—分ã‹ã‚Šã‚„ã™ãã™ã‚‹æ–¹æ³•ãŒã‚ã‚Šã¾ã™ã€‚12/18のWebLogic Server勉強会ã§èª¬æ˜Žã™ã‚‹äºˆå®šã§ã™ã®ã§ã€ã‚ˆã‚ã—ã‘ã‚Œã°å‚åŠ ãã ã•ã„。
ã•ã¦ã€è‡ªå‹•ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°ã«ã¤ã„ã¦ã§ã™ã€‚
WLSã®å®Ÿè¡Œã‚¹ãƒ¬ãƒƒãƒ‰ã¯åˆæœŸã§ã¯å°‘ãªã‚ã§ã€ãƒªã‚¯ã‚¨ã‚¹ãƒˆæµé‡ã«ã‚ˆã£ã¦å¢—ãˆã‚‹ã‚ˆã†ã«ãªã£ã¦ã„ã¾ã™ã€‚ã“ã‚Œã«ã‚ˆã£ã¦ã‚¹ãƒ¬ãƒƒãƒ‰ãƒªã‚½ãƒ¼ã‚¹ã®ç„¡é§„ã‚‚ãªãã—ã¤ã¤ã€ç®¡ç†è€…ã®è¨è¨ˆã‚„è¨å®šä½œæ¥ã®è² è·ã‚‚最å°é™ã«æŠ‘ãˆã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚
勘é•ã„ã—ã‚„ã™ã„ã¨ã“ã‚ã¨ã—ã¦ã€ãƒ¯ãƒ¼ã‚¯ãƒžãƒãƒ¼ã‚¸ãƒ£ã®è¨å®šã§ã¯æœ€å¤§ã‚¹ãƒ¬ãƒƒãƒ‰æ•°åˆ¶ç´„ãªã©ã‚’指定ã§ãã¾ã™ãŒã€ç‰©ç†çš„ãªã‚¹ãƒ¬ãƒƒãƒ‰ã‚’直接的ã«å¢—ã‚„ã™è¨³ã§ã¯ã‚ã‚Šã¾ã›ã‚“。ã©ã¡ã‚‰ã‹ã¨ã„ã†ã¨ãƒ¯ãƒ¼ã‚¯ãƒžãƒãƒ¼ã‚¸ãƒ£ã¯è«–ç†çš„ã«ã‚¹ãƒ¬ãƒƒãƒ‰æ•°ã‚’制御ã™ã‚‹æ©Ÿæ§‹ã¨è€ƒãˆã¦ãã ã•ã„。
多ãã®å ´åˆã€è‡ªå‹•ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°ã«ä»»ã›ã¦ãŠã„ã¦å•é¡Œãªã„ã®ã§ã™ãŒã€èµ·å‹•ç›´å¾Œã«ãƒãƒ¼ã‚¹ãƒˆãƒˆãƒ©ãƒ•ã‚£ãƒƒã‚¯ãŒäºˆæƒ³ã•ã‚Œã‚‹ã‚ˆã†ãªã‚·ã‚¹ãƒ†ãƒ ã§ã¯ã€ç‰©ç†çš„ãªã‚¹ãƒ¬ãƒƒãƒ‰æ•°ã‚’予ã‚確ä¿ã—ã¦ãŠããŸã„å ´åˆã‚‚ã‚ã‚Šã¾ã™ã€‚
以å‰ã¯ã€WLST(WebLogic Scripting Tool)や起動オプションã«ã‚ˆã‚‹è¨å®šã®ã¿ã§éš ã—パラメータ的ãªæ‰±ã„ã ã£ãŸã®ã§ã™ãŒã€WLS 12.1.2以é™ã§ã¯ç®¡ç†ã‚³ãƒ³ã‚½ãƒ¼ãƒ«ã‹ã‚‰æŒ‡å®šã§ãるよã†ã«ãªã£ã¦ã„ã¾ã™ã€‚
- 環境→サーãƒãƒ¼â†’{サーãƒãƒ¼å}→構æˆâ†’ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°â†’詳細→自動ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°ã‚¹ãƒ¬ãƒƒãƒ‰æœ€å°ãƒ—ールサイズ
:
最大プールサイズも構æˆã§ãã¾ã™ãŒã€ä½™ç¨‹ã®ã“ã¨ãŒãªã„é™ã‚Šã€ãƒ‡ãƒ•ã‚©ãƒ«ãƒˆã®400より増やã•ãªã„æ–¹ãŒç„¡é›£ã§ã™ã€‚多ã™ãŽã‚‹ã‚¹ãƒ¬ãƒƒãƒ‰ã®ç¢ºä¿ã¯ãƒªã‚½ãƒ¼ã‚¹ã®æž¯æ¸‡ã‚’æ‹›ãã‚„ã™ã„ã§ã™ã—ã€OSã®ã‚³ãƒ³ãƒ†ã‚ストスイッãƒã®ã‚ªãƒ¼ãƒãƒ¼ãƒ˜ãƒƒãƒ‰å¢—åŠ ã‚‚æ°—ã«ãªã‚Šã¾ã™ã€‚*5
余談ã§ã™ãŒã€WLS 8.1ã¾ã§ã¯è‡ªå‹•ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°ã¯ãªãã€å€‹ã€…ã®å®Ÿè¡Œã‚ューã«å¯¾ã—ã€ã‚¹ãƒ¬ãƒƒãƒ‰ãƒ—ールをæŒã£ã¦ã„ã¾ã—ãŸã€‚ã“ã‚Œã¯è©³ã—ã„æ–¹ãªã‚‰åˆ†ã‹ã‚Šã‚„ã™ã„方法ã§ã¯ã‚ã£ãŸã®ã§ã™ãŒã€ä¸‹æ‰‹ã™ã‚‹ã¨éŽå‰°ãªè¨å®šã«ãªã‚ŠãŒã¡ã§ã—ãŸã€‚ç¾åœ¨ã¯è‡ªå‹•ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°ã‚’è¸ã¾ãˆã¦ã€ãƒ¯ãƒ¼ã‚¯ãƒžãƒãƒ¼ã‚¸ãƒ£ã§åˆ¶å¾¡ã™ã‚‹æ–¹ãŒä¸€èˆ¬çš„ã‹ã¨æ€ã„ã¾ã™ã€‚*6
自動ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°ã«ã¤ã„ã¦ã¯ã€ä»¥ä¸‹ã®ãƒžãƒ‹ãƒ¥ã‚¢ãƒ«ãªã©ã‹ã‚‰ç¢ºèªã§ãã¾ã™ã€‚
ã‹ãªã‚Šé•·ããªã‚Šã¾ã—ãŸã。ã“ã“ã¾ã§ã§ä¸»è¦ãªéƒ¨åˆ†ã®èª¬æ˜Žã¯çµ‚ã‚ã‚Šã§ã™ã€‚
後ã¯è½ç©‚拾ã„çš„ãªæ„Ÿã˜ã§ã™ãŒã€ã‚ˆã‚ã—ã‘ã‚Œã°ãŠä»˜ãåˆã„ãã ã•ã„。
mainスレッド
"main" #1 prio=5 os_prio=31 tid=0x00007fb085005000 nid=0xd03 in Object.wait() [0x000000010d8db000] java.lang.Thread.State: WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.lang.Object.wait(Object.java:502) at weblogic.t3.srvr.T3Srvr.waitForDeath(T3Srvr.java:1130) - locked <0x00000007803aef20> (a weblogic.t3.srvr.T3Srvr) at weblogic.t3.srvr.T3Srvr.run(T3Srvr.java:538) at weblogic.Server.main(Server.java:65)
ã“れを見るã¨ã‚¨ãƒ³ãƒˆãƒªãƒã‚¤ãƒ³ãƒˆãŒã€weblogic.Serverクラスã®mainメソッドã«ãªã£ã¦ã„ã‚‹ã“ã¨ãŒåˆ†ã‹ã‚Šã¾ã™ã。*7
起動スクリプト({WLSドメイン}/biné…下ã®startWebLogic.shã‚„setDomainEnv.sh)ã§ã‚‚ã€ã“ã®æ§˜åã¯ç¢ºèªã§ãã¾ã™ã€‚
# startWebLogic.sh抜粋 if [ "${WLS_REDIRECT_LOG}" = "" ] ; then echo "Starting WLS with line:" echo "${JAVA_HOME}/bin/java ${JAVA_VM} ${MEM_ARGS} -Dweblogic.Name=${SERVER_NAME} -Djava.security.policy=${WL_HOME}/server/lib/weblogic.policy ${JAVA_OPTIONS} ${PROXY_SETTINGS} ${SERVER_CLASS}" ${JAVA_HOME}/bin/java ${JAVA_VM} ${MEM_ARGS} -Dweblogic.Name=${SERVER_NAME} -Djava.security.policy=${WL_HOME}/server/lib/weblogic.policy ${JAVA_OPTIONS} ${PROXY_SETTINGS} ${SERVER_CLASS} else echo "Redirecting output from WLS window to ${WLS_REDIRECT_LOG}" ${JAVA_HOME}/bin/java ${JAVA_VM} ${MEM_ARGS} -Dweblogic.Name=${SERVER_NAME} -Djava.security.policy=${WL_HOME}/server/lib/weblogic.policy ${JAVA_OPTIONS} ${PROXY_SETTINGS} ${SERVER_CLASS} >"${WLS_REDIRECT_LOG}" 2>&1 fi
# setDomainEnv.sh抜粋 SERVER_CLASS="weblogic.Server" export SERVER_CLASS
起動スクリプトã®è©³ç´°ã¯ã€WebLogic Server勉強会ã§è©±ã—ãŸå†…容を記事ã«ã—ã¦ã„ãŸã ã„ã¦ã„ã‚‹ã®ã§å‚ç…§ãã ã•ã„。*8
スタックトレースã«è¦‹ã‚‰ã‚Œã‚‹t3ã¨ã„ã†ã®ã¯ã€ãƒãƒ£ãƒãƒ«ã®ã¨ã“ã‚ã§å°‘ã—ã ã‘出ã¦ãã¾ã—ãŸãŒã€WLSã®ç‹¬è‡ªãƒ—ãƒãƒˆã‚³ãƒ«ã§ã™ã€‚
ãã‚Œã»ã©æ„è˜ã™ã‚‹ã“ã¨ã¯ã‚ã‚Šã¾ã›ã‚“ãŒã€ä»¥ä¸‹ã®ãƒžãƒ‹ãƒ¥ã‚¢ãƒ«ã§ç¢ºèªã§ãã¾ã™ã€‚
GCMonitorスレッド
"weblogic.GCMonitor" #41 daemon prio=5 os_prio=31 tid=0x00007fb088330000 nid=0x3707 in Object.wait() [0x000000012623c000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:142) - locked <0x0000000781a351d0> (a java.lang.ref.ReferenceQueue$Lock) at weblogic.platform.GCMonitorThread.waitForNotification(GCMonitorThread.java:86) at weblogic.platform.GCMonitorThread.run(GCMonitorThread.java:62)
WLSã«ã¯å‘¨æœŸçš„ã«ãƒ’ープã®ç©ºã状æ³ã‚’監視ã—ã€ãƒã‚°å‡ºåŠ›ã™ã‚‹æ©Ÿèƒ½ãŒã‚ã‚‹ãŸã‚ã€ã“ã“ã§ç”¨ã„られã¦ã„ã‚‹ã¨æƒ³å®šã•ã‚Œã¾ã™ã€‚
RefereceQueueã®ä»•çµ„ã¿ã‚’利用ã—ã¦ã„ã‚‹ã®ã§ã€GCイベントã¨é–¢é€£ã¥ã‘ã¦ã„ã‚‹ã“ã¨ãŒåˆ†ã‹ã‚Šã¾ã™ã。
WLSサーãƒãƒã‚°({WLSドメイン}/servers/{サーãƒå}/logs/{サーãƒå.log})ã¸ã®å‡ºåŠ›ä¾‹ã¯ä»¥ä¸‹ã®ã‚ˆã†ã«ãªã‚Šã¾ã™ã€‚
####<2014/12/06 23時30分13秒 JST> <Info> <Health> <mymachine> <myserver> <weblogic.GCMonitor> <<anonymous>> <> <> <1417876213715> <BEA-310002> <サーãƒãƒ¼ã®ç·ãƒ¡ãƒ¢ãƒªãƒ¼ã®70%ãŒç©ºã„ã¦ã„ã¾ã™ã€‚> ####<2014/12/06 23時33分13秒 JST> <Info> <Health> <mymachine> <myserver> <weblogic.GCMonitor> <<anonymous>> <> <> <1417876393683> <BEA-310002> <サーãƒãƒ¼ã®ç·ãƒ¡ãƒ¢ãƒªãƒ¼ã®33%ãŒç©ºã„ã¦ã„ã¾ã™ã€‚>
Timer関連スレッド
"weblogic.timers.TimerThread" #22 daemon prio=9 os_prio=31 tid=0x00007fb084512800 nid=0x5f03 in Object.wait() [0x0000000126e66000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at weblogic.timers.internal.TimerThread.doWait(TimerThread.java:114) - locked <0x00000007805f69e8> (a java.lang.Object) at weblogic.timers.internal.TimerThread.access$000(TimerThread.java:22) at weblogic.timers.internal.TimerThread$Thread.run(TimerThread.java:290) "weblogic.time.TimeEventGenerator" #21 daemon prio=9 os_prio=31 tid=0x00007fb086097800 nid=0x5d03 in Object.wait() [0x0000000126d63000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at weblogic.time.common.internal.TimeTable.snooze(TimeTable.java:286) - locked <0x0000000780675500> (a weblogic.time.common.internal.TimeTable) at weblogic.time.common.internal.TimeEventGenerator.run(TimeEventGenerator.java:117) at java.lang.Thread.run(Thread.java:745)
"Timer-0" #11 daemon prio=5 os_prio=31 tid=0x00007fb085bc4800 nid=0x4b03 in Object.wait() [0x00000001254ee000] java.lang.Thread.State: WAITING (on object monitor) at java.lang.Object.wait(Native Method) - waiting on <0x000000078064bdf8> (a java.util.TaskQueue) at java.lang.Object.wait(Object.java:502) at java.util.TimerThread.mainLoop(Timer.java:526) - locked <0x000000078064bdf8> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505)
一般的ãªjava.util.Timerも使ã‚ã‚Œã¦ã„ã¾ã™ãŒã€WLSã®æ§˜ã€…ãªã‚¿ã‚¹ã‚¯ã‚’実ç¾ã™ã‚‹ãŸã‚ã«ã€æ‹¡å¼µã•ã‚ŒãŸã‚¿ã‚¤ãƒžãƒ¼ã‚µãƒ¼ãƒ“スãŒç”¨æ„ã•ã‚Œã¦ã„ã¾ã™ã€‚
タイマーã®çŠ¶æ³ã¯ç®¡ç†ã‚³ãƒ³ã‚½ãƒ¼ãƒ«ã‹ã‚‰ç¢ºèªã§ãã¾ã™ã€‚ã“れを見るã¨æ›´ã«æ–°ãŸãªç™ºè¦‹ãŒã‚ã‚‹ã‹ã‚‚ã—ã‚Œã¾ã›ã‚“。
- 環境→サーãƒãƒ¼â†’{サーãƒãƒ¼å}→監視→タイマー
WLS独自ã®ã‚¿ã‚¤ãƒžãƒ¼ã‚µãƒ¼ãƒ“スã®ãƒžãƒ‹ãƒ¥ã‚¢ãƒ«ã¯ã€ä»¥ä¸‹ã‚’å‚ç…§ã—ã¦ãã ã•ã„。
組込ã¿LDAP関連スレッド
"DoSManager" #33 daemon prio=6 os_prio=31 tid=0x00007fb0841e0800 nid=0x6303 waiting on condition [0x000000012749b000] java.lang.Thread.State: TIMED_WAITING (sleeping) at java.lang.Thread.sleep(Native Method) at com.octetstring.vde.DoSManager.run(DoSManager.java:433) "VDE Transaction Processor Thread" #31 daemon prio=2 os_prio=31 tid=0x00007fb084b85800 nid=0x4d07 in Object.wait() [0x0000000127169000] java.lang.Thread.State: WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.lang.Object.wait(Object.java:502) at com.octetstring.vde.backend.standard.TransactionProcessor.waitChange(TransactionProcessor.java:367) - locked <0x000000078097c808> (a com.octetstring.vde.backend.standard.TransactionProcessor) at com.octetstring.vde.backend.standard.TransactionProcessor.run(TransactionProcessor.java:212)
WLSã«ã¯ãƒ¦ãƒ¼ã‚¶ãƒ¼ãƒ»ã‚°ãƒ«ãƒ¼ãƒ—ãªã©ã‚’管ç†ã™ã‚‹ãŸã‚ã«çµ„è¾¼ã¿LDAPãŒç”¨æ„ã•ã‚Œã¦ã„ã¾ã™ã€‚
管ç†ã‚µãƒ¼ãƒãƒ¼ã‚’マスタã¨ã—ã¾ã™ãŒã€ãƒ‰ãƒ¡ã‚¤ãƒ³å†…ã«ä»–ã®ã‚µãƒ¼ãƒãƒ¼(管ç†å¯¾è±¡ã‚µãƒ¼ãƒãƒ¼)ãŒã‚ã‚‹å ´åˆã¯ã€ãã‚Œãžã‚Œã«çµ„è¾¼ã¿LDAPã®ãƒªãƒã‚¸ãƒˆãƒªãŒã‚りレプリケーションã•ã‚Œã¾ã™ã€‚ã“れらã®ç®¡ç†ã«ç”¨ã„られã¦ã„ã‚‹ã¨æŽ¨æ¸¬ã•ã‚Œã¾ã™ã€‚
組込ã¿LDAPã®ãƒžãƒ‹ãƒ¥ã‚¢ãƒ«ã¯ã€ä»¥ä¸‹ã‚’å‚ç…§ã—ã¦ãã ã•ã„。
ãªãŠã€ã‚¹ã‚¿ãƒƒã‚¯ãƒˆãƒ¬ãƒ¼ã‚¹ä¸ã®vdeã¯ã€Virtual Directory Engineã‚’æ„味ã™ã‚‹ã‚ˆã†ã§ã™ã€‚
永続ストア関連スレッド
"Thread-17" #34 prio=5 os_prio=31 tid=0x00007fb0840eb800 nid=0x6107 waiting on condition [0x000000012726c000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x0000000780c018b0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039) at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442) at weblogic.utils.concurrent.JDK15ConcurrentBlockingQueue.take(JDK15ConcurrentBlockingQueue.java:89) at weblogic.store.internal.PersistentStoreImpl.getOutstandingWork(PersistentStoreImpl.java:724) at weblogic.store.internal.PersistentStoreImpl.synchronousFlush(PersistentStoreImpl.java:1124) at weblogic.store.internal.PersistentStoreImpl.run(PersistentStoreImpl.java:1116) at java.lang.Thread.run(Thread.java:745)
スレッドåãŒã¡ã‚ƒã‚“ã¨ä»˜ã„ã¦ã„ãªã„*9ã®ã§ã™ãŒã€ã‚¹ã‚¿ãƒƒã‚¯ãƒˆãƒ¬ãƒ¼ã‚¹ã‹ã‚‰æ°¸ç¶šã‚¹ãƒˆã‚¢ã®æ›¸è¾¼ã¿ã«åˆ©ç”¨ã•ã‚Œã‚‹ã¨æƒ³å®šã•ã‚Œã¾ã™ã€‚
明示的ã«ã‚«ã‚¹ã‚¿ãƒ ã®ã‚¹ãƒˆã‚¢ã‚’構æˆã—ãªã„å ´åˆã§ã‚‚ã€ãƒ‡ãƒ•ã‚©ãƒ«ãƒˆã®æ°¸ç¶šã‚¹ãƒˆã‚¢ãŒã‚ã‚Šã€JTAã®ãƒˆãƒ©ãƒ³ã‚¶ã‚¯ã‚·ãƒ§ãƒ³ãƒã‚°ãªã©ã®ç®¡ç†ã«ç”¨ã„られã¾ã™ã€‚
永続ストアã®ãƒžãƒ‹ãƒ¥ã‚¢ãƒ«ã¯ã€ä»¥ä¸‹ã‚’å‚ç…§ã—ã¦ãã ã•ã„。
ä»–ã«ã‚‚説明ã§ãã¦ã„ãªã„箇所ãŒå¤šã€…ã‚ã‚‹ã¨ã¯æ€ã„ã¾ã™ãŒã€ã²ã¨ã¾ãšã“ã‚Œã§çµ‚了ã§ã™ã€‚大変ãŠç–²ã‚Œã•ã¾ã§ã—ãŸï¼*10
ã¾ã¨ã‚
- スレッドダンプã‹ã‚‰WLSã®ã‚¢ãƒ¼ã‚テクãƒãƒ£ã®ä¸€ç«¯ã‚’垣間見るã“ã¨ãŒã§ãã¾ã™ã€‚
- リクエスト処ç†ã®è¦ã¨ãªã‚‹Listen/Muxer/実行スレッドã¯çŸ¥ã£ã¦ãŠãã¨ã‚ˆã„ã§ã™ã€‚
- ä»–ã®è£½å“ã§ã‚‚スレッドダンプã¨ã‹èª¿ã¹ã‚‹ã¨é¢ç™½ã„ã‹ã‚‚ã—ã‚Œã¾ã›ã‚“。
明日㯠[twitter:@btnrouge] ã•ã‚“ã§ã™ã€‚
*1:WLS 12.1.3ã¯Oracle JDK 8u20以é™ã§å‹•ä½œä¿è¨¼ã—ã¦ã„ã¾ã™ãŒã€Fork/Join Frameworkやパラレルストリームã¯ã‚µãƒãƒ¼ãƒˆã—ã¦ã„ã¾ã›ã‚“。ã¾ãŸã€Mac OS X 10.10ã¯è¨˜äº‹åŸ·ç†æ™‚点ã§ã¯æ£å¼å‹•ä½œä¿è¨¼ã¯ã•ã‚Œã¦ã„ã¾ã›ã‚“。
*2:æ£ç¢ºã«ã¯7u4以é™
*3:æ£ç¢ºã«ã¯WLS 12.1.2以é™ã§NIOSocketMuxerãŒãƒ‡ãƒ•ã‚©ãƒ«ãƒˆã«ãªã‚Šã¾ã—ãŸã€‚
*4:ã‚‚ã¡ã‚ん個々ã®ã‚¹ã‚¿ãƒƒã‚¯ãƒˆãƒ¬ãƒ¼ã‚¹ã®å†…容ã‹ã‚‰åˆ¤åˆ¥ã¯ã¤ãã®ã§ã™ãŒã€ç›£è¦–ãªã©ã®è¦³ç‚¹ã‹ã‚‰ã¯ã„ã¡ã„ã¡è¦‹ã¦ã„られã¾ã›ã‚“。
*5:スレッドãŒå¤šã™ãŽã‚‹ã‚¹ãƒ¬ãƒƒãƒ‰ãƒ€ãƒ³ãƒ—を解æžã™ã‚‹ã®ã‚‚éžå¸¸ã«ã¤ã‚‰ã„ã§ã™ã€‚ãŠé¡˜ã„ã ã‹ã‚‰å‹˜å¼ã—ã¦ãã ã•ã„…
*6:WLS 8.1ã¾ã§ã®ã‚¹ãƒ¬ãƒƒãƒ‰ãƒ¢ãƒ‡ãƒ«ã‚’利用ã™ã‚‹ã‚ˆã†ã«æ§‹æˆã™ã‚‹ã“ã¨ã‚‚ã§ãã¾ã™ãŒã€ã‚ã¾ã‚Šä½¿ã£ã¦ã»ã—ããªã„ã®ã§èª¬æ˜Žã‚’割愛ã—ã¾ã™ã€‚
*7:スレッドダンプをå–å¾—ã—ãŸæ™‚点ã§ã‚‚weblogic.Serverã§ã‚ã‚‹ã“ã¨ã¯åˆ†ã‹ã£ã¦ã„ã¾ã™ãŒã€‚
*8:今ã§ã¯å°‘ã—å¤ããªã£ã¦ã„ã‚‹ã®ã§12/18ã®å‹‰å¼·ä¼šã§è£œè¶³ã™ã‚‹äºˆå®šã§ã™ã€‚
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