Ok. After the server ran for more than 12 hours, the time spent on GC decreased from 11% to 3,4%, but 5 hours later it crashed. This is the thread dump, maybe you can help identify what happened? # # An unexpected error has been detected by Java Runtime Environment: # # SIGSEGV (0xb) at pc=0x00002b4e0f69ea2a, pid=32224, tid=1103812928 # # Java VM: Java HotSpot(TM) 64-Bit Server VM (10.0-b22 mixed mode linux-amd64) # Problematic frame: # V [libjvm.so+0x265a2a] # # If you would like to submit a bug report, please visit: # http://java.sun.com/webapps/bugreport/crash.jsp #
--------------- T H R E A D --------------- Current thread (0x000000005be47400): VMThread [stack: 0x0000000041bad000,0x0000000041cae000] [id=32249] siginfo:si_signo=SIGSEGV: si_errno=0, si_code=128 (), si_addr=0x0000000000000000 Registers: RAX=0x00002aac929b4c70, RBX=0x0037c985003a095e, RCX=0x0000000000000006, RDX=0x005c49870037c996 RSP=0x0000000041cac550, RBP=0x0000000041cac550, RSI=0x00002aac929b4c70, RDI=0x0037c985003a095e R8 =0x00002aadab201538, R9 =0x0000000000000005, R10=0x0000000000000001, R11=0x0000000000000010 R12=0x00002aac929b4c70, R13=0x00002aac9289cf58, R14=0x00002aac9289cf40, R15=0x00002aadab2015ac RIP=0x00002b4e0f69ea2a, EFL=0x0000000000010206, CSGSFS=0x0000000000000033, ERR=0x0000000000000000 TRAPNO=0x000000000000000d Top of Stack: (sp=0x0000000041cac550) 0x0000000041cac550: 0000000041cac580 00002b4e0f903c5b 0x0000000041cac560: 0000000041cac590 0000000000000003 0x0000000041cac570: 00002aac9289cf50 00002aadab2015a8 0x0000000041cac580: 0000000041cac5c0 00002b4e0f72e388 0x0000000041cac590: 0000000041cac5c0 00002aac9289cf40 0x0000000041cac5a0: 0000000000000005 00002b4e0fc86330 0x0000000041cac5b0: 0000000000000000 00002b4e0fd8c740 0x0000000041cac5c0: 0000000041cac5f0 00002b4e0f903b7f 0x0000000041cac5d0: 0000000041cac610 0000000000000003 0x0000000041cac5e0: 00002aaccb1750f8 00002aaccea41570 0x0000000041cac5f0: 0000000041cac610 00002b4e0f931548 0x0000000041cac600: 00002b4e0fc861d8 00002aadd4052ab0 0x0000000041cac610: 0000000041cac640 00002b4e0f903d1a 0x0000000041cac620: 0000000041cac650 0000000000000003 0x0000000041cac630: 000000005bc7d6d0 00002b4e0fd8c740 0x0000000041cac640: 0000000041cac650 00002b4e0f90411c 0x0000000041cac650: 0000000041cac680 00002b4e0fa1d16e 0x0000000041cac660: 0000000000000000 000000005bc7d6d0 0x0000000041cac670: 0000000000000002 00002b4e0fd8c740 0x0000000041cac680: 0000000041cac6c0 00002b4e0fa74640 0x0000000041cac690: 0000000041cac6b0 000000005bc7d6d0 0x0000000041cac6a0: 0000000000000002 00002b4e0fd8c740 0x0000000041cac6b0: 0000000000000001 00002b4e0fd8c740 0x0000000041cac6c0: 0000000041cac700 00002b4e0f9a52da 0x0000000041cac6d0: 000000000000bfc0 0000000000000000 0x0000000041cac6e0: 00002b4e0fd8c740 000000005bc7d6d0 0x0000000041cac6f0: 00002b4e0fd8c740 0000000000000001 0x0000000041cac700: 0000000041cac750 00002b4e0f6feb80 0x0000000041cac710: 449dae1d9ae42358 3ff0cccccccccccd 0x0000000041cac720: 00002aad289aa680 0000000000000001 0x0000000041cac730: 0000000000000000 0000000041cac780 0x0000000041cac740: 0000000000000001 000000005bc7d6d0 Instructions: (pc=0x00002b4e0f69ea2a) 0x00002b4e0f69ea1a: 89 e5 48 83 f9 05 74 38 48 8b 56 08 48 83 c2 10 0x00002b4e0f69ea2a: 48 8b b2 a0 00 00 00 ba 01 00 00 00 83 e6 07 48 Stack: [0x0000000041bad000,0x0000000041cae000], sp=0x0000000041cac550, free space=1021k Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code) V [libjvm.so+0x265a2a] V [libjvm.so+0x4cac5b] V [libjvm.so+0x2f5388] V [libjvm.so+0x4cab7f] V [libjvm.so+0x4f8548] V [libjvm.so+0x4cad1a] V [libjvm.so+0x4cb11c] V [libjvm.so+0x5e416e] V [libjvm.so+0x63b640] V [libjvm.so+0x56c2da] V [libjvm.so+0x2c5b80] V [libjvm.so+0x2c8866] V [libjvm.so+0x2c7f10] V [libjvm.so+0x2551ba] V [libjvm.so+0x254a6a] V [libjvm.so+0x254778] V [libjvm.so+0x2c579c] V [libjvm.so+0x23502a] V [libjvm.so+0x2c5b0e] V [libjvm.so+0x661a5e] V [libjvm.so+0x66e48a] V [libjvm.so+0x66da32] V [libjvm.so+0x66dcb4] V [libjvm.so+0x66d7ae] V [libjvm.so+0x50628a] VM_Operation (0x000000004076bd20): GenCollectForAllocation, mode: safepoint, requested by thread 0x000000005c42d800 --------------- P R O C E S S --------------- Java Threads: ( => current thread ) 0x000000005c466400 JavaThread "btpool0-502" [_thread_blocked, id=4508, stack(0x0000000046332000,0x0000000046433000)] 0x000000005c2a2400 JavaThread "btpool0-501" [_thread_blocked, id=4507, stack(0x00000000428f8000,0x00000000429f9000)] 0x000000005c0fec00 JavaThread "btpool0-500" [_thread_blocked, id=4506, stack(0x0000000043e0d000,0x0000000043f0e000)] 0x000000005c2ce400 JavaThread "btpool0-498" [_thread_blocked, id=4504, stack(0x0000000042dfd000,0x0000000042efe000)] 0x000000005be69000 JavaThread "btpool0-497" [_thread_blocked, id=4503, stack(0x0000000045f2e000,0x000000004602f000)] 0x000000005c30e000 JavaThread "btpool0-496" [_thread_blocked, id=4251, stack(0x0000000044e1d000,0x0000000044f1e000)] 0x000000005c0ff800 JavaThread "btpool0-495" [_thread_blocked, id=4250, stack(0x0000000043706000,0x0000000043807000)] 0x000000005c752c00 JavaThread "btpool0-494" [_thread_blocked, id=4249, stack(0x0000000045d2c000,0x0000000045e2d000)] 0x000000005bf31400 JavaThread "btpool0-493" [_thread_in_native, id=4248, stack(0x0000000042cfc000,0x0000000042dfd000)] 0x000000005c47e000 JavaThread "btpool0-485" [_thread_blocked, id=3426, stack(0x000000004501f000,0x0000000045120000)] 0x000000005c35d000 JavaThread "btpool0-484" [_thread_blocked, id=2669, stack(0x000000004086f000,0x0000000040970000)] 0x000000005c583800 JavaThread "btpool0-468" [_thread_blocked, id=1954, stack(0x0000000043d0c000,0x0000000043e0d000)] 0x000000005c35ec00 JavaThread "btpool0-448" [_thread_in_native, id=32527, stack(0x0000000045423000,0x0000000045524000)] 0x000000005c2fd000 JavaThread "btpool0-437" [_thread_blocked, id=30735, stack(0x0000000046433000,0x0000000046534000)] 0x000000005bc77c00 JavaThread "DestroyJavaVM" [_thread_blocked, id=32230, stack(0x00000000404b8000,0x00000000405b9000)] 0x000000005c42d800 JavaThread "pool-1-thread-1" [_thread_blocked, id=32272, stack(0x000000004066d000,0x000000004076e000)] 0x000000005c1e9400 JavaThread "Timer-1" [_thread_blocked, id=32271, stack(0x0000000040da5000,0x0000000040ea6000)] 0x000000005c0b2c00 JavaThread "btpool0-9 - Acceptor0 SocketConnector @ 0.0.0.0:8983" [_thread_in_native, id=32268, stack(0x0000000043201000,0x0000000043302000)] 0x000000005c176800 JavaThread "Timer-0" [_thread_blocked, id=32258, stack(0x00000000427f7000,0x00000000428f8000)] 0x000000005be81800 JavaThread "Low Memory Detector" daemon [_thread_blocked, id=32256, stack(0x00000000425f5000,0x00000000426f6000)] 0x000000005be7fc00 JavaThread "CompilerThread1" daemon [_thread_blocked, id=32255, stack(0x00000000416f3000,0x00000000417f4000)] 0x000000005be7c400 JavaThread "CompilerThread0" daemon [_thread_blocked, id=32254, stack(0x00000000415f2000,0x00000000416f3000)] 0x000000005be7ac00 JavaThread "Signal Dispatcher" daemon [_thread_blocked, id=32253, stack(0x00000000414f1000,0x00000000415f2000)] 0x000000005be79400 JavaThread "Surrogate Locker Thread (CMS)" daemon [_thread_blocked, id=32252, stack(0x000000004025d000,0x000000004035e000)] 0x000000005be4dc00 JavaThread "Finalizer" daemon [_thread_blocked, id=32251, stack(0x00000000424f4000,0x00000000425f5000)] 0x000000005be4c800 JavaThread "Reference Handler" daemon [_thread_blocked, id=32250, stack(0x00000000423f3000,0x00000000424f4000)] Other Threads: =>0x000000005be47400 VMThread [stack: 0x0000000041bad000,0x0000000041cae000] [id=32249] 0x000000005be83800 WatcherThread [stack: 0x00000000426f6000,0x00000000427f7000] [id=32257] VM state:at safepoint (normal execution) VM Mutex/Monitor currently owned by a thread: ([mutex/lock_event]) [0x000000005bc75420/0x000000005bc75470] Threads_lock - owner thread: 0x000000005be47400 [0x000000005bc75c90/0x000000005bc75cc0] Heap_lock - owner thread: 0x000000005c42d800 Heap par new generation total 153344K, used 88065K [0x00002aaaae1f0000, 0x00002aaab8850000, 0x00002aaab8850000) eden space 136320K, 52% used [0x00002aaaae1f0000, 0x00002aaab2750590, 0x00002aaab6710000) from space 17024K, 100% used [0x00002aaab77b0000, 0x00002aaab8850000, 0x00002aaab8850000) to space 17024K, 99% used [0x00002aaab6710000, 0x00002aaab77afb00, 0x00002aaab77b0000) concurrent mark-sweep generation total 12363392K, used 10670634K [0x00002aaab8850000, 0x00002aadab1f0000, 0x00002aadab1f0000) concurrent-mark-sweep perm gen total 35344K, used 21182K [0x00002aadab1f0000, 0x00002aadad474000, 0x00002aadb05f0000) Dynamic libraries: 40000000-40009000 r-xp 00000000 08:05 12505572 /usr/local/jdk1.6.0_06/bin/java 40108000-4010a000 rwxp 00008000 08:05 12505572 /usr/local/jdk1.6.0_06/bin/java 4015c000-4015d000 ---p 4015c000 00:00 0 4015d000-4025d000 rwxp 4015d000 00:00 0 4025d000-40260000 ---p 4025d000 00:00 0 40260000-4035e000 rwxp 40260000 00:00 0 4035e000-40361000 rwxp 4035e000 00:00 0 40361000-4045f000 rwxp 40361000 00:00 0 404b8000-404bb000 ---p 404b8000 00:00 0 404bb000-405b9000 rwxp 404bb000 00:00 0 4066d000-40670000 ---p 4066d000 00:00 0 40670000-4076e000 rwxp 40670000 00:00 0 4076e000-40771000 rwxp 4076e000 00:00 0 40771000-4086f000 rwxp 40771000 00:00 0 4086f000-40872000 ---p 4086f000 00:00 0 40872000-40970000 rwxp 40872000 00:00 0 40da5000-40da8000 ---p 40da5000 00:00 0 40da8000-40ea6000 rwxp 40da8000 00:00 0 40ea6000-40ea9000 rwxp 40ea6000 00:00 0 40ea9000-40fa7000 rwxp 40ea9000 00:00 0 40fec000-40fed000 ---p 40fec000 00:00 0 40fed000-410ed000 rwxp 40fed000 00:00 0 410ed000-410ee000 ---p 410ed000 00:00 0 410ee000-411ee000 rwxp 410ee000 00:00 0 411ee000-411ef000 ---p 411ee000 00:00 0 411ef000-412ef000 rwxp 411ef000 00:00 0 412ef000-412f0000 ---p 412ef000 00:00 0 412f0000-413f0000 rwxp 412f0000 00:00 0 413f0000-413f1000 ---p 413f0000 00:00 0 413f1000-414f1000 rwxp 413f1000 00:00 0 414f1000-414f4000 ---p 414f1000 00:00 0 414f4000-415f2000 rwxp 414f4000 00:00 0 415f2000-415f5000 ---p 415f2000 00:00 0 415f5000-416f3000 rwxp 415f5000 00:00 0 416f3000-416f6000 ---p 416f3000 00:00 0 416f6000-417f4000 rwxp 416f6000 00:00 0 418f5000-418f8000 rwxp 418f5000 00:00 0 418f8000-419f6000 rwxp 418f8000 00:00 0 41bad000-41bae000 ---p 41bad000 00:00 0 41bae000-41cae000 rwxp 41bae000 00:00 0 41daf000-41db2000 rwxp 41daf000 00:00 0 41db2000-41eb0000 rwxp 41db2000 00:00 0 41eee000-41eef000 ---p 41eee000 00:00 0 41eef000-41fef000 rwxp 41eef000 00:00 0 41fef000-41ff0000 ---p 41fef000 00:00 0 41ff0000-420f0000 rwxp 41ff0000 00:00 0 420f0000-420f1000 ---p 420f0000 00:00 0 420f1000-421f1000 rwxp 420f1000 00:00 0 421f1000-421f2000 ---p 421f1000 00:00 0 421f2000-422f2000 rwxp 421f2000 00:00 0 422f2000-422f3000 ---p 422f2000 00:00 0 422f3000-423f3000 rwxp 422f3000 00:00 0 423f3000-423f6000 ---p 423f3000 00:00 0 423f6000-424f4000 rwxp 423f6000 00:00 0 424f4000-424f7000 ---p 424f4000 00:00 0 424f7000-425f5000 rwxp 424f7000 00:00 0 425f5000-425f8000 ---p 425f5000 00:00 0 425f8000-426f6000 rwxp 425f8000 00:00 0 426f6000-426f7000 ---p 426f6000 00:00 0 426f7000-427f7000 rwxp 426f7000 00:00 0 427f7000-427fa000 ---p 427f7000 00:00 0 427fa000-428f8000 rwxp 427fa000 00:00 0 428f8000-428fb000 ---p 428f8000 00:00 0 428fb000-429f9000 rwxp 428fb000 00:00 0 42afa000-42afd000 rwxp 42afa000 00:00 0 42afd000-42bfb000 rwxp 42afd000 00:00 0 42bfb000-42bfe000 rwxp 42bfb000 00:00 0 42bfe000-42cfc000 rwxp 42bfe000 00:00 0 42cfc000-42cff000 ---p 42cfc000 00:00 0 42cff000-42dfd000 rwxp 42cff000 00:00 0 42dfd000-42e00000 ---p 42dfd000 00:00 0 42e00000-42efe000 rwxp 42e00000 00:00 0 42fff000-43002000 rwxp 42fff000 00:00 0 43002000-43100000 rwxp 43002000 00:00 0 43100000-43103000 rwxp 43100000 00:00 0 43103000-43201000 rwxp 43103000 00:00 0 43201000-43204000 ---p 43201000 00:00 0 43204000-43302000 rwxp 43204000 00:00 0 43302000-43305000 rwxp 43302000 00:00 0 43305000-43403000 rwxp 43305000 00:00 0 43706000-43709000 ---p 43706000 00:00 0 43709000-43807000 rwxp 43709000 00:00 0 43807000-4380a000 rwxp 43807000 00:00 0 4380a000-43908000 rwxp 4380a000 00:00 0 43908000-4390b000 rwxp 43908000 00:00 0 4390b000-43a09000 rwxp 4390b000 00:00 0 43a09000-43a0c000 rwxp 43a09000 00:00 0 43a0c000-43b0a000 rwxp 43a0c000 00:00 0 43b0a000-43b0d000 rwxp 43b0a000 00:00 0 43b0d000-43c0b000 rwxp 43b0d000 00:00 0 43c0b000-43c0e000 rwxp 43c0b000 00:00 0 43c0e000-43d0c000 rwxp 43c0e000 00:00 0 43d0c000-43d0f000 ---p 43d0c000 00:00 0 43d0f000-43e0d000 rwxp 43d0f000 00:00 0 43e0d000-43e10000 ---p 43e0d000 00:00 0 43e10000-43f0e000 rwxp 43e10000 00:00 0 43f0e000-43f11000 rwxp 43f0e000 00:00 0 43f11000-4400f000 rwxp 43f11000 00:00 0 4400f000-44012000 rwxp 4400f000 00:00 0 44012000-44110000 rwxp 44012000 00:00 0 44312000-44315000 rwxp 44312000 00:00 0 44315000-44413000 rwxp 44315000 00:00 0 44413000-44416000 rwxp 44413000 00:00 0 44416000-44514000 rwxp 44416000 00:00 0 44514000-44517000 rwxp 44514000 00:00 0 44517000-44615000 rwxp 44517000 00:00 0 44615000-44618000 rwxp 44615000 00:00 0 44618000-44716000 rwxp 44618000 00:00 0 44716000-44719000 rwxp 44716000 00:00 0 44719000-44817000 rwxp 44719000 00:00 0 44817000-4481a000 rwxp 44817000 00:00 0 4481a000-44918000 rwxp 4481a000 00:00 0 44a19000-44a1c000 rwxp 44a19000 00:00 0 44a1c000-44b1a000 rwxp 44a1c000 00:00 0 44e1d000-44e20000 ---p 44e1d000 00:00 0 44e20000-44f1e000 rwxp 44e20000 00:00 0 4501f000-45022000 ---p 4501f000 00:00 0 45022000-45120000 rwxp 45022000 00:00 0 45120000-45123000 rwxp 45120000 00:00 0 45123000-45221000 rwxp 45123000 00:00 0 45322000-45325000 rwxp 45322000 00:00 0 45325000-45423000 rwxp 45325000 00:00 0 45423000-45426000 ---p 45423000 00:00 0 45426000-45524000 rwxp 45426000 00:00 0 45524000-45527000 rwxp 45524000 00:00 0 45527000-45625000 rwxp 45527000 00:00 0 45625000-45628000 rwxp 45625000 00:00 0 45628000-45726000 rwxp 45628000 00:00 0 45726000-45729000 rwxp 45726000 00:00 0 45729000-45827000 rwxp 45729000 00:00 0 45928000-4592b000 rwxp 45928000 00:00 0 4592b000-45a29000 rwxp 4592b000 00:00 0 45a29000-45a2c000 rwxp 45a29000 00:00 0 45a2c000-45b2a000 rwxp 45a2c000 00:00 0 45b2a000-45b2d000 rwxp 45b2a000 00:00 0 45b2d000-45c2b000 rwxp 45b2d000 00:00 0 45d2c000-45d2f000 ---p 45d2c000 00:00 0 45d2f000-45e2d000 rwxp 45d2f000 00:00 0 45f2e000-45f31000 ---p 45f2e000 00:00 0 45f31000-4602f000 rwxp 45f31000 00:00 0 46332000-46335000 ---p 46332000 00:00 0 46335000-46433000 rwxp 46335000 00:00 0 46433000-46436000 ---p 46433000 00:00 0 46436000-46534000 rwxp 46436000 00:00 0 46534000-46537000 rwxp 46534000 00:00 0 46537000-46635000 rwxp 46537000 00:00 0 46635000-46638000 rwxp 46635000 00:00 0 46638000-46736000 rwxp 46638000 00:00 0 5bc70000-5d61a000 rwxp 5bc70000 00:00 0 [heap] 3b32800000-3b3281c000 r-xp 00000000 08:05 11948691 /lib64/ld-2.5.so 3b32a1b000-3b32a1c000 r-xp 0001b000 08:05 11948691 /lib64/ld-2.5.so 3b32a1c000-3b32a1d000 rwxp 0001c000 08:05 11948691 /lib64/ld-2.5.so 3b32c00000-3b32d4c000 r-xp 00000000 08:05 11948841 /lib64/libc-2.5.so 3b32d4c000-3b32f4c000 ---p 0014c000 08:05 11948841 /lib64/libc-2.5.so 3b32f4c000-3b32f50000 r-xp 0014c000 08:05 11948841 /lib64/libc-2.5.so 3b32f50000-3b32f51000 rwxp 00150000 08:05 11948841 /lib64/libc-2.5.so 3b32f51000-3b32f56000 rwxp 3b32f51000 00:00 0 3b33000000-3b33002000 r-xp 00000000 08:05 11948843 /lib64/libdl-2.5.so 3b33002000-3b33202000 ---p 00002000 08:05 11948843 /lib64/libdl-2.5.so 3b33202000-3b33203000 r-xp 00002000 08:05 11948843 /lib64/libdl-2.5.so 3b33203000-3b33204000 rwxp 00003000 08:05 11948843 /lib64/libdl-2.5.so 3b33c00000-3b33c16000 r-xp 00000000 08:05 11948927 /lib64/libpthread-2.5.so 3b33c16000-3b33e15000 ---p 00016000 08:05 11948927 /lib64/libpthread-2.5.so 3b33e15000-3b33e16000 r-xp 00015000 08:05 11948927 /lib64/libpthread-2.5.so 3b33e16000-3b33e17000 rwxp 00016000 08:05 11948927 /lib64/libpthread-2.5.so 3b33e17000-3b33e1b000 rwxp 3b33e17000 00:00 0 3b34000000-3b34082000 r-xp 00000000 08:05 11948934 /lib64/libm-2.5.so 3b34082000-3b34281000 ---p 00082000 08:05 11948934 /lib64/libm-2.5.so 3b34281000-3b34282000 r-xp 00081000 08:05 11948934 /lib64/libm-2.5.so 3b34282000-3b34283000 rwxp 00082000 08:05 11948934 /lib64/libm-2.5.so 3b34400000-3b34407000 r-xp 00000000 08:05 11948928 /lib64/librt-2.5.so 3b34407000-3b34607000 ---p 00007000 08:05 11948928 /lib64/librt-2.5.so 3b34607000-3b34608000 r-xp 00007000 08:05 11948928 /lib64/librt-2.5.so 3b34608000-3b34609000 rwxp 00008000 08:05 11948928 /lib64/librt-2.5.so 3b35400000-3b35415000 r-xp 00000000 08:05 11948806 /lib64/libnsl-2.5.so 3b35415000-3b35614000 ---p 00015000 08:05 11948806 /lib64/libnsl-2.5.so 3b35614000-3b35615000 r-xp 00014000 08:05 11948806 /lib64/libnsl-2.5.so 3b35615000-3b35616000 rwxp 00015000 08:05 11948806 /lib64/libnsl-2.5.so 3b35616000-3b35618000 rwxp 3b35616000 00:00 0 2aaaaaaad000-2aaaaaaaf000 r-xs 00003000 08:05 8675780 /opt/solr-1.3/olx/start.jar 2aaaaaaaf000-2aaaaaab5000 r--s 00045000 08:02 393249 /tmp/Jetty_0_0_0_0_8983_solr.war__solr__k1kf17/webapp/WEB-INF/lib/commons-httpclient-3.1.jar 2aaaaaab8000-2aaaaaab9000 ---p 2aaaaaab8000 00:00 0 2aaaaaab9000-2aaaaaaba000 rwxp 2aaaaaab9000 00:00 0 2aaaaaaba000-2aaaaaac1000 r-xp 00000000 08:05 12506743 /usr/local/jdk1.6.0_06/jre/lib/amd64/native_threads/libhpi.so 2aaaaaac1000-2aaaaabc2000 ---p 00007000 08:05 12506743 /usr/local/jdk1.6.0_06/jre/lib/amd64/native_threads/libhpi.so 2aaaaabc2000-2aaaaabc4000 rwxp 00008000 08:05 12506743 /usr/local/jdk1.6.0_06/jre/lib/amd64/native_threads/libhpi.so 2aaaaabc4000-2aaaaabc5000 rwxp 2aaaaabc4000 00:00 0 2aaaaabc5000-2aaaaabcd000 rw-s 00000000 08:02 163842 /tmp/hsperfdata_root/32224 2aaaaabce000-2aaaaabd8000 r-xp 00000000 08:05 11948665 /lib64/libnss_files-2.5.so 2aaaaabd8000-2aaaaadd7000 ---p 0000a000 08:05 11948665 /lib64/libnss_files-2.5.so 2aaaaadd7000-2aaaaadd8000 r-xp 00009000 08:05 11948665 /lib64/libnss_files-2.5.so 2aaaaadd8000-2aaaaadd9000 rwxp 0000a000 08:05 11948665 /lib64/libnss_files-2.5.so 2aaaaadd9000-2aaaaade6000 r-xp 00000000 08:05 12506738 /usr/local/jdk1.6.0_06/jre/lib/amd64/libverify.so 2aaaaade6000-2aaaaaee5000 ---p 0000d000 08:05 12506738 /usr/local/jdk1.6.0_06/jre/lib/amd64/libverify.so 2aaaaaee5000-2aaaaaee8000 rwxp 0000c000 08:05 12506738 /usr/local/jdk1.6.0_06/jre/lib/amd64/libverify.so 2aaaaaee8000-2aaaaaf10000 r-xp 00000000 08:05 12506719 /usr/local/jdk1.6.0_06/jre/lib/amd64/libjava.so 2aaaaaf10000-2aaaab010000 ---p 00028000 08:05 12506719 /usr/local/jdk1.6.0_06/jre/lib/amd64/libjava.so 2aaaab010000-2aaaab017000 rwxp 00028000 08:05 12506719 /usr/local/jdk1.6.0_06/jre/lib/amd64/libjava.so 2aaaab017000-2aaaab025000 r-xp 00000000 08:05 12506739 /usr/local/jdk1.6.0_06/jre/lib/amd64/libzip.so 2aaaab025000-2aaaab127000 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08:05 8675819 /opt/solr-1.3/olx/solr/lib/lucene-queries-2.4-dev.jar 2aadc3bc3000-2aadc3bc4000 r-xs 00005000 08:05 8675818 /opt/solr-1.3/olx/solr/lib/RelatedItemsRequestHandler.jar 2aadc3bc4000-2aadc3bc5000 r-xs 00002000 08:05 8675817 /opt/solr-1.3/olx/solr/lib/OlxHTMLWhiteSpaceTokenizerFactory.jar 2aadc4000000-2aadc5ce6000 rwxp 2aadc4000000 00:00 0 2aadc5ce6000-2aadc8000000 ---p 2aadc5ce6000 00:00 0 2aadc8000000-2aadc9cf8000 rwxp 2aadc8000000 00:00 0 2aadc9cf8000-2aadcc000000 ---p 2aadc9cf8000 00:00 0 2aadcc000000-2aadcc061000 rwxp 2aadcc000000 00:00 0 2aadcc061000-2aadd0000000 ---p 2aadcc061000 00:00 0 2aadd1c00000-2aadd3c00000 rwxp 2aadd1c00000 00:00 0 2aadd4000000-2aadd7f59000 rwxp 2aadd4000000 00:00 0 2aadd7f59000-2aadd8000000 ---p 2aadd7f59000 00:00 0 2aadd8000000-2aadd88b9000 rwxp 2aadd8000000 00:00 0 2aadd88b9000-2aaddc000000 ---p 2aadd88b9000 00:00 0 2b4e0f322000-2b4e0f323000 rwxp 2b4e0f322000 00:00 0 2b4e0f32c000-2b4e0f32d000 rwxp 2b4e0f32c000 00:00 0 2b4e0f32d000-2b4e0f334000 r-xp 00000000 08:05 12506703 /usr/local/jdk1.6.0_06/jre/lib/amd64/jli/libjli.so 2b4e0f334000-2b4e0f435000 ---p 00007000 08:05 12506703 /usr/local/jdk1.6.0_06/jre/lib/amd64/jli/libjli.so 2b4e0f435000-2b4e0f437000 rwxp 00008000 08:05 12506703 /usr/local/jdk1.6.0_06/jre/lib/amd64/jli/libjli.so 2b4e0f437000-2b4e0f439000 rwxp 2b4e0f437000 00:00 0 2b4e0f439000-2b4e0fb2e000 r-xp 00000000 08:05 12506747 /usr/local/jdk1.6.0_06/jre/lib/amd64/server/libjvm.so 2b4e0fb2e000-2b4e0fc2d000 ---p 006f5000 08:05 12506747 /usr/local/jdk1.6.0_06/jre/lib/amd64/server/libjvm.so 2b4e0fc2d000-2b4e0fd77000 rwxp 006f4000 08:05 12506747 /usr/local/jdk1.6.0_06/jre/lib/amd64/server/libjvm.so 2b4e0fd77000-2b4e0fdb4000 rwxp 2b4e0fd77000 00:00 0 7fffe6a79000-7fffe6aae000 rwxp 7ffffffca000 00:00 0 [stack] ffffffffff600000-ffffffffffe00000 ---p 00000000 00:00 0 [vdso] VM Arguments: jvm_args: -Xmx12240m -Djava.util.logging.config.file=/opt/solr/olx/solr/conf/logging.conf -XX:+PrintGCApplicationConcurrentTime -XX:+PrintGCApplicationStoppedTime -XX:+UseConcMarkSweepGC java_command: start.jar Launcher Type: SUN_STANDARD Environment Variables: PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/java/bin:/root/bin LD_LIBRARY_PATH=/usr/local/jdk1.6.0_06/jre/lib/amd64/server:/usr/local/jdk1.6.0_06/jre/lib/amd64:/usr/local/jdk1.6.0_06/jre/../lib/amd64 SHELL=/bin/bash Signal Handlers: SIGSEGV: [libjvm.so+0x6616e0], sa_mask[0]=0x7ffbfeff, sa_flags=0x10000004 SIGBUS: [libjvm.so+0x6616e0], sa_mask[0]=0x7ffbfeff, sa_flags=0x10000004 SIGFPE: [libjvm.so+0x5044d0], sa_mask[0]=0x7ffbfeff, sa_flags=0x10000004 SIGPIPE: [libjvm.so+0x5044d0], sa_mask[0]=0x7ffbfeff, sa_flags=0x10000004 SIGXFSZ: [libjvm.so+0x5044d0], sa_mask[0]=0x7ffbfeff, sa_flags=0x10000004 SIGILL: [libjvm.so+0x5044d0], sa_mask[0]=0x7ffbfeff, sa_flags=0x10000004 SIGUSR1: SIG_DFL, sa_mask[0]=0x00000000, sa_flags=0x00000000 SIGUSR2: [libjvm.so+0x506740], sa_mask[0]=0x00000000, sa_flags=0x10000004 SIGHUP: [libjvm.so+0x5064a0], sa_mask[0]=0x7ffbfeff, sa_flags=0x10000004 SIGINT: SIG_IGN, sa_mask[0]=0x00000000, sa_flags=0x00000000 SIGTERM: [libjvm.so+0x5064a0], sa_mask[0]=0x7ffbfeff, sa_flags=0x10000004 SIGQUIT: [libjvm.so+0x5064a0], sa_mask[0]=0x7ffbfeff, sa_flags=0x10000004 --------------- S Y S T E M --------------- OS:Red Hat Enterprise Linux Server release 5.3 (Tikanga) uname:Linux 2.6.18-128.1.14.el5 #1 SMP Mon Jun 1 15:52:58 EDT 2009 x86_64 libc:glibc 2.5 NPTL 2.5 rlimit: STACK 10240k, CORE 0k, NPROC infinity, NOFILE 4096, AS infinity load average:1.39 0.60 0.56 CPU:total 8 (4 cores per cpu, 1 threads per core) family 6 model 7 stepping 6, cmov, cx8, fxsr, mmx, sse, sse2, sse3, ssse3 Memory: 4k page, physical 16432184k(92220k free), swap 2096472k(2065524k free) vm_info: Java HotSpot(TM) 64-Bit Server VM (10.0-b22) for linux-amd64 JRE (1.6.0_06-b02), built on Mar 25 2008 01:03:02 by "java_re" with gcc 3.2.2 (SuSE Linux) time: Sat Sep 26 00:20:34 2009 elapsed time: 30852 seconds On Sat, Sep 26, 2009 at 11:49 AM, Mark Miller <markrmil...@gmail.com> wrote: > Jonathan Ariel wrote: > > I have around 8M documents. > > > Thats actually not so bad - I take it you are faceting/sorting on quite > a few unique fields? > > > I set up my server to use a different collector and it seems like it > > decreased from 11% to 4%, of course I need to wait a bit more because it > is > > just a 1 hour old log. But it seems like it is much better now. > > I will tell you on Monday the results :) > > > Are you still seeing major collections then? (eg the tenured space hits > its limit) You might be able to get even better. > > On Fri, Sep 25, 2009 at 6:07 PM, Mark Miller <markrmil...@gmail.com> > wrote: > > > > > >> Thats a good point too - if you can reduce your need for such a large > >> heap, by all means, do so. > >> > >> However, considering you already need at least 10GB or you get OOM, you > >> have a long way to go with that approach. Good luck :) > >> > >> How many docs do you have ? I'm guessing its mostly FieldCache type > >> stuff, and thats the type of thing you can't really side step, unless > >> you give up the functionality thats using it. > >> > >> Grant Ingersoll wrote: > >> > >>> On Sep 25, 2009, at 9:30 AM, Jonathan Ariel wrote: > >>> > >>> > >>>> Hi to all! > >>>> Lately my solr servers seem to stop responding once in a while. I'm > >>>> using > >>>> solr 1.3. > >>>> Of course I'm having more traffic on the servers. > >>>> So I logged the Garbage Collection activity to check if it's because > of > >>>> that. It seems like 11% of the time the application runs, it is > stopped > >>>> because of GC. And some times the GC takes up to 10 seconds! > >>>> Is is normal? My instances run on a 16GB RAM, Dual Quad Core Intel > Xeon > >>>> servers. My index is around 10GB and I'm giving to the instances 10GB > of > >>>> RAM. > >>>> > >>>> How can I check which is the GC that it is being used? If I'm right > JVM > >>>> Ergonomics should use the Throughput GC, but I'm not 100% sure. Do > >>>> you have > >>>> any recommendation on this? > >>>> > >>> As I said in Eteve's thread on JVM settings, some extra time spent on > >>> application design/debugging will save a whole lot of headache in > >>> Garbage Collection and trying to tune the gazillion different options > >>> available. Ask yourself: What is on the heap and does it need to be > >>> there? For instance, do you, if you have them, really need sortable > >>> ints? If your servers seem to come to a stop, I'm going to bet you > >>> have major collections going on. Major collections in a production > >>> system are very bad. They tend to happen right after commits in > >>> poorly tuned systems, but can also happen in other places if you let > >>> things build up due to really large heaps and/or things like really > >>> large cache settings. I would pull up jConsole and have a look at > >>> what is happening when the pauses occur. Is it a major collection? > >>> If so, then hook up a heap analyzer or a profiler and see what is on > >>> the heap around those times. Then have a look at your schema/config, > >>> etc. and see if there are things that are memory intensive (sorting, > >>> faceting, excessively large filter caches). > >>> > >>> -------------------------- > >>> Grant Ingersoll > >>> http://www.lucidimagination.com/ > >>> > >>> Search the Lucene ecosystem (Lucene/Solr/Nutch/Mahout/Tika/Droids) > >>> using Solr/Lucene: > >>> http://www.lucidimagination.com/search > >>> > >>> > >> -- > >> - Mark > >> > >> http://www.lucidimagination.com > >> > >> > >> > >> > >> > > > > > > > -- > - Mark > > http://www.lucidimagination.com > > > >
