You're right... I missed posting crash log. I was too busy and under press of business at that time. Please understand.
These are head and tail of the JVM crash log when it stopped : --------------- T H R E A D --------------- Current thread (0x0000002ca9903400): JavaThread "COMPACTION-POOL:1" [_thread_in_vm, id=10768] siginfo:si_signo=11, si_errno=0, si_code=128, si_addr=0x0000000000000000 Registers: RAX=0x0000002cad287d10, RBX=0x0000002ca9903400, RCX=0x0000002cad2880f8, RDX=0x0000002cad287d20 RSP=0x0000000042149160, RBP=0x0000000042149170, RSI=0x0000002b0b7e40c8, RDI=0x0100048c9b42085b R8 =0x0000002cac795910, R9 =0x0000000000002a10, R10=0x0000002a95f5d200, R11=0x0000002cac795910 R12=0x0000002b20d2cb90, R13=0x00000000421491c0, R14=0x0000000042149268, R15=0x0000002ca9903400 RIP=0x0000002a95c05727, EFL=0x0000000000010206, CSGSFS=0x0000000000000002, ERR=0x0000000000000000 TRAPNO=0x000000000000000d Top of Stack: (sp=0x0000000042149160) 0x0000000042149160: 0000002ca9903400 0000002b20d2cb90 0x0000000042149170: 0000000042149180 0000002a95ab6fcd 0x0000000042149180: 00000000421491f0 0000002a95957896 0x0000000042149190: 0000002cac795910 0000002cad287d10 0x00000000421491a0: 0000002cad287d20 0000002cad2880f8 0x00000000421491b0: 0000002ca9903400 0000000000000013 0x00000000421491c0: 0000002ca9903400 0000002ca9903400 0x00000000421491d0: 00000000421491e0 0000002b0b7e4099 0x00000000421491e0: 0000002b20d2cb90 0000002c99d6850e 0x00000000421491f0: 0000000042149248 0000002a96512bdd 0x0000000042149200: 0000002a96512b9b 0000000042149208 0x0000000042149210: 0000002c99d6850e 0000000042149268 0x0000000042149220: 0000002c9a021658 0000002c9a3e6c08 0x0000000042149230: 0000002c99d68540 0000000000000000 0x0000000042149240: 0000000042149258 00000000421492b0 0x0000000042149250: 0000002a96509528 0000000000000000 0x0000000042149260: 0000000000000000 0000000000000000 0x0000000042149270: 0000000042149270 0000002c9a1f7159 0x0000000042149280: 00000000421492c8 0000002c9a1f7518 0x0000000042149290: 0000002c9a3e7200 0000002c9a1f7168 0x00000000421492a0: 0000000042149258 00000000421492c0 0x00000000421492b0: 0000000042149310 0000002a96509528 0x00000000421492c0: 0000000000000000 0000000000000000 0x00000000421492d0: 00000000421492d0 0000002c9a0966c5 0x00000000421492e0: 0000000042149348 0000002c9a09bf90 0x00000000421492f0: 0000002c9a3e6e48 0000002c9a096718 0x0000000042149300: 00000000421492c0 0000000042149350 0x0000000042149310: 0000002a9e9fd1a8 0000002a96815d80 0x0000000042149320: 0000000000000000 0000000000000000 0x0000000042149330: 0000000000000000 0000000000000000 0x0000000042149340: 0000000000000000 0000000000000000 0x0000000042149350: 0000002ca9903400 0000002b20d2cbc0 Instructions: (pc=0x0000002a95c05727) 0x0000002a95c05717: 89 f0 eb ea 90 66 66 66 90 55 48 89 e5 41 54 53 0x0000002a95c05727: 0f b7 57 10 48 89 fb 44 8d 62 01 49 63 fc e8 c6 Stack: [0x000000004204a000,0x000000004214b000), sp=0x0000000042149160, free space=1020k Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code) V [libjvm.so+0x592727] V [libjvm.so+0x443fcd] V [libjvm.so+0x2e4896] j org.apache.cassandra.db.marshal.BytesType.compare(Ljava/lang/Object;Ljava/lang/Object;)I+6 j java.util.concurrent.ConcurrentSkipListMap$ComparableUsingComparator.compareTo(Ljava/lang/Object;)I+9 j java.util.concurrent.ConcurrentSkipListMap.findPredecessor(Ljava/lang/Comparable;)Ljava/util/concurrent/ConcurrentSkipListMap$Node;+69 Java frames: (J=compiled Java code, j=interpreted, Vv=VM code) j org.apache.cassandra.db.marshal.BytesType.compare(Ljava/lang/Object;Ljava/lang/Object;)I+6 j java.util.concurrent.ConcurrentSkipListMap$ComparableUsingComparator.compareTo(Ljava/lang/Object;)I+9 j java.util.concurrent.ConcurrentSkipListMap.findPredecessor(Ljava/lang/Comparable;)Ljava/util/concurrent/ConcurrentSkipListMap$Node;+69 J java.util.concurrent.ConcurrentSkipListMap.doPut(Ljava/lang/Object;Ljava/lang/Object;Z)Ljava/lang/Object; J org.apache.cassandra.db.ColumnFamily.addColumn(Lorg/apache/cassandra/db/IColumn;)V J org.apache.cassandra.db.ColumnFamily.addAll(Lorg/apache/cassandra/db/ColumnFamily;)V J org.apache.cassandra.io.CompactionIterator.getReduced()Lorg/apache/cassandra/io/CompactionIterator$CompactedRow; J org.apache.cassandra.io.CompactionIterator.getReduced()Ljava/lang/Object; J org.apache.cassandra.utils.ReducingIterator.computeNext()Ljava/lang/Object; J com.google.common.collect.AbstractIterator.hasNext()Z J org.apache.cassandra.db.CompactionManager.doAntiCompaction(Lorg/apache/cassandra/db/ColumnFamilyStore;Ljava/util/Collection;Ljava/util/Collection;Ljava/net/InetAddress;)Ljava/util/List; j org.apache.cassandra.db.CompactionManager.doCleanupCompaction(Lorg/apache/cassandra/db/ColumnFamilyStore;)V+22 j org.apache.cassandra.db.CompactionManager.access$400(Lorg/apache/cassandra/db/CompactionManager;Lorg/apache/cassandra/db/ColumnFamilyStore;)V+2 j org.apache.cassandra.db.CompactionManager$2.call()Ljava/lang/Object;+8 J java.util.concurrent.FutureTask$Sync.innerRun()V j java.util.concurrent.FutureTask.run()V+4 j java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Ljava/lang/Runnable;)V+59 j java.util.concurrent.ThreadPoolExecutor$Worker.run()V+28 j java.lang.Thread.run()V+11 v ~StubRoutines::call_stub --------------- P R O C E S S --------------- Java Threads: ( => current thread ) 0x0000002cad6ff800 JavaThread "RMI Scheduler(0)" daemon [_thread_blocked, id=16294] 0x0000002cad21b800 JavaThread "Thread-11" [_thread_in_native, id=13570] 0x0000002cad27dc00 JavaThread "Thread-10" [_thread_in_native, id=11221] 0x0000002caceccc00 JavaThread "WRITE-/10.25.32.37" [_thread_blocked, id=10830] 0x0000002cad33c000 JavaThread "HINTED-HANDOFF-POOL:1" [_thread_blocked, id=10829] 0x0000002cacd55c00 JavaThread "WRITE-/10.25.32.36" [_thread_blocked, id=10828] 0x0000002cacd54c00 JavaThread "WRITE-/10.25.32.34" [_thread_blocked, id=10827] 0x0000002cad2b5400 JavaThread "LOAD-BALANCER-STAGE:1" [_thread_blocked, id=10826] 0x0000002cad2b3c00 JavaThread "AE-SERVICE-STAGE:1" [_thread_blocked, id=10825] 0x0000002cad2b2800 JavaThread "GMFD:1" [_thread_blocked, id=10824] 0x0000002cad2b1000 JavaThread "STREAM-STAGE:1" [_thread_blocked, id=10823] 0x0000002cad2afc00 JavaThread "RESPONSE-STAGE:4" [_thread_blocked, id=10822] 0x0000002cad2ae800 JavaThread "RESPONSE-STAGE:3" [_thread_blocked, id=10821] 0x0000002cad2ad000 JavaThread "RESPONSE-STAGE:2" [_thread_blocked, id=10820] 0x0000002cad2abc00 JavaThread "RESPONSE-STAGE:1" [_thread_blocked, id=10819] 0x0000002cad2aa800 JavaThread "ROW-READ-STAGE:8" [_thread_blocked, id=10818] 0x0000002cad2a9c00 JavaThread "ROW-READ-STAGE:7" [_thread_blocked, id=10817] 0x0000002cad2a8400 JavaThread "ROW-READ-STAGE:6" [_thread_blocked, id=10816] 0x0000002cad2a6c00 JavaThread "ROW-READ-STAGE:5" [_thread_blocked, id=10815] 0x0000002cad2a5800 JavaThread "ROW-READ-STAGE:4" [_thread_blocked, id=10814] 0x0000002cacf82400 JavaThread "ROW-READ-STAGE:3" [_thread_blocked, id=10813] 0x0000002cacf80c00 JavaThread "ROW-READ-STAGE:2" [_thread_blocked, id=10812] 0x0000002cacf7f800 JavaThread "ROW-READ-STAGE:1" [_thread_blocked, id=10811] 0x0000002cacf7e400 JavaThread "ROW-MUTATION-STAGE:32" [_thread_blocked, id=10810] 0x0000002cacf7cc00 JavaThread "ROW-MUTATION-STAGE:31" [_thread_blocked, id=10809] 0x0000002cacf7b800 JavaThread "ROW-MUTATION-STAGE:30" [_thread_blocked, id=10808] 0x0000002cacf7a000 JavaThread "ROW-MUTATION-STAGE:29" [_thread_blocked, id=10807] 0x0000002cacf78c00 JavaThread "ROW-MUTATION-STAGE:28" [_thread_blocked, id=10806] 0x0000002cacf77800 JavaThread "ROW-MUTATION-STAGE:27" [_thread_blocked, id=10805] 0x0000002cacf76000 JavaThread "ROW-MUTATION-STAGE:26" [_thread_blocked, id=10804] 0x0000002cacf74c00 JavaThread "ROW-MUTATION-STAGE:25" [_thread_blocked, id=10803] 0x0000002cacf73400 JavaThread "ROW-MUTATION-STAGE:24" [_thread_blocked, id=10802] 0x0000002cacf72000 JavaThread "ROW-MUTATION-STAGE:23" [_thread_blocked, id=10801] 0x0000002cacf70c00 JavaThread "ROW-MUTATION-STAGE:22" [_thread_blocked, id=10800] 0x0000002cacf6f400 JavaThread "ROW-MUTATION-STAGE:21" [_thread_blocked, id=10799] 0x0000002cacf6e000 JavaThread "ROW-MUTATION-STAGE:20" [_thread_blocked, id=10798] 0x0000002cacf6c800 JavaThread "ROW-MUTATION-STAGE:19" [_thread_blocked, id=10797] 0x0000002cacf6b400 JavaThread "ROW-MUTATION-STAGE:18" [_thread_blocked, id=10796] 0x0000002cacf6a000 JavaThread "ROW-MUTATION-STAGE:17" [_thread_blocked, id=10795] 0x0000002cacf68800 JavaThread "ROW-MUTATION-STAGE:16" [_thread_blocked, id=10794] 0x0000002cacf67400 JavaThread "ROW-MUTATION-STAGE:15" [_thread_blocked, id=10793] 0x0000002cacf65c00 JavaThread "ROW-MUTATION-STAGE:14" [_thread_blocked, id=10792] 0x0000002cacf64800 JavaThread "ROW-MUTATION-STAGE:13" [_thread_blocked, id=10791] 0x0000002cacf63400 JavaThread "ROW-MUTATION-STAGE:12" [_thread_blocked, id=10790] 0x0000002cacf61c00 JavaThread "ROW-MUTATION-STAGE:11" [_thread_blocked, id=10789] 0x0000002cacf60800 JavaThread "ROW-MUTATION-STAGE:10" [_thread_blocked, id=10788] 0x0000002cacf5f000 JavaThread "ROW-MUTATION-STAGE:9" [_thread_blocked, id=10787] 0x0000002cacf5bc00 JavaThread "ROW-MUTATION-STAGE:8" [_thread_blocked, id=10786] 0x0000002cacf5a400 JavaThread "ROW-MUTATION-STAGE:7" [_thread_blocked, id=10785] 0x0000002cacf5d400 JavaThread "ROW-MUTATION-STAGE:6" [_thread_blocked, id=10784] 0x0000002cacf5c400 JavaThread "ROW-MUTATION-STAGE:5" [_thread_blocked, id=10783] 0x0000002cacf57800 JavaThread "ROW-MUTATION-STAGE:4" [_thread_blocked, id=10782] 0x0000002cad258400 JavaThread "ROW-MUTATION-STAGE:3" [_thread_blocked, id=10781] 0x0000002ca98f3400 JavaThread "ROW-MUTATION-STAGE:2" [_thread_blocked, id=10780] 0x0000002ca98f2400 JavaThread "ROW-MUTATION-STAGE:1" [_thread_blocked, id=10779] 0x0000002ca9902000 JavaThread "Thread-9" [_thread_in_native, id=10778] 0x0000002ca9901800 JavaThread "Thread-8" [_thread_in_native, id=10777] 0x0000002cad253000 JavaThread "Timer-1" [_thread_blocked, id=10776] 0x0000002cad25ec00 JavaThread "LB-TARGET:1" [_thread_blocked, id=10775] 0x0000002cad25d800 JavaThread "LB-OPERATIONS:1" [_thread_blocked, id=10774] 0x0000002cad25cc00 JavaThread "ACCEPT-krs1165.nhncorp.com/10.25.32.35" [_thread_in_native, id=10773] 0x0000002cad25bc00 JavaThread "Timer-0" [_thread_blocked, id=10772] 0x0000002cacf19400 JavaThread "GC inspection" [_thread_blocked, id=10771] 0x0000002cad28bc00 JavaThread "PERIODIC-COMMIT-LOG-SYNCER" [_thread_blocked, id=10770] 0x0000002cad2a4400 JavaThread "COMMIT-LOG-WRITER" [_thread_blocked, id=10769] =>0x0000002ca9903400 JavaThread "COMPACTION-POOL:1" [_thread_in_vm, id=10768] 0x0000002cad2a3400 JavaThread "SSTABLE-CLEANUP-TIMER" [_thread_blocked, id=10378] 0x0000002cace74c00 JavaThread "SSTABLE-DELETER" [_thread_blocked, id=10377] 0x0000002cad227000 JavaThread "MESSAGE-STREAMING-POOL:1" [_thread_blocked, id=10376] 0x0000002cad225c00 JavaThread "MESSAGE-DESERIALIZER-POOL:1" [_thread_blocked, id=10375] 0x0000002cad224800 JavaThread "CACHETABLE-TIMER-2" daemon [_thread_blocked, id=10374] 0x0000002cad224000 JavaThread "CACHETABLE-TIMER-1" daemon [_thread_blocked, id=10373] 0x0000002cacf55c00 JavaThread "CONSISTENCY-MANAGER:4" [_thread_blocked, id=10372] 0x0000002cacfa1800 JavaThread "CONSISTENCY-MANAGER:3" [_thread_blocked, id=10371] 0x0000002cacf9cc00 JavaThread "CONSISTENCY-MANAGER:2" [_thread_blocked, id=10370] 0x0000002cacfa2800 JavaThread "CONSISTENCY-MANAGER:1" [_thread_blocked, id=10369] 0x0000002cacf9b000 JavaThread "MEMTABLE-POST-FLUSHER:1" [_thread_blocked, id=10368] 0x0000002cad230800 JavaThread "FLUSH-WRITER-POOL:1" [_thread_blocked, id=10367] 0x0000002cad237c00 JavaThread "FLUSH-SORTER-POOL:1" [_thread_blocked, id=10366] 0x0000002cad230400 JavaThread "FLUSH-TIMER" [_thread_blocked, id=10365] 0x0000002cacda6800 JavaThread "RMI TCP Accept-8080" daemon [_thread_in_native, id=10363] 0x0000002cacd48800 JavaThread "RMI TCP Accept-0" daemon [_thread_in_native, id=10362] 0x0000002ca9893400 JavaThread "Low Memory Detector" daemon [_thread_blocked, id=10361] 0x0000002ca9891400 JavaThread "CompilerThread1" daemon [_thread_blocked, id=10360] 0x0000002ca988f800 JavaThread "CompilerThread0" daemon [_thread_blocked, id=10359] 0x0000002ca988e000 JavaThread "Signal Dispatcher" daemon [_thread_blocked, id=10358] 0x0000002ca988c800 JavaThread "Surrogate Locker Thread (CMS)" daemon [_thread_blocked, id=10357] 0x0000002ca9869c00 JavaThread "Finalizer" daemon [_thread_blocked, id=10356] 0x0000002ca9869000 JavaThread "Reference Handler" daemon [_thread_blocked, id=10355] 0x0000000040112800 JavaThread "main" [_thread_in_native, id=10348] Other Threads: 0x0000002ca9864400 VMThread [id=10354] 0x0000002cacd8d800 WatcherThread [id=10364] VM state:not at safepoint (normal execution) VM Mutex/Monitor currently owned by a thread: None Heap par new generation total 76672K, used 55139K [0x0000002a995d0000, 0x0000002a9e900000, 0x0000002a9e900000) eden space 68160K, 68% used [0x0000002a995d0000, 0x0000002a9c359758, 0x0000002a9d860000) from space 8512K, 99% used [0x0000002a9e0b0000, 0x0000002a9e8ff820, 0x0000002a9e900000) to space 8512K, 0% used [0x0000002a9d860000, 0x0000002a9d860000, 0x0000002a9e0b0000) concurrent mark-sweep generation total 5810916K, used 4774431K [0x0000002a9e900000, 0x0000002c013b9000, 0x0000002c995d0000) concurrent-mark-sweep perm gen total 26096K, used 15598K [0x0000002c995d0000, 0x0000002c9af4c000, 0x0000002c9e9d0000) ....(the rest omitted) --------------- S Y S T E M --------------- OS:CentOS release 4.5 (Final) uname:Linux 2.6.9-55.0.12.EL.nhnsmp #1 SMP Tue Nov 6 18:38:43 KST 2007 x86_64 libc:glibc 2.3.4 NPTL 2.3.4 rlimit: STACK 10240k, CORE 0k, NPROC 16383, NOFILE 32768, AS infinity load average:1.74 1.51 1.44 CPU:total 4 (2 cores per cpu, 1 threads per core) family 6 model 15 stepping 11, cmov, cx8, fxsr, mmx, sse, sse2, sse3, ssse3 Memory: 4k page, physical 16407020k(51816k free), swap 4192956k(4016836k free) vm_info: Java HotSpot(TM) 64-Bit Server VM (1.6.0_03-b05) for linux-amd64, built on Sep 24 2007 23:09:21 by "java_re" with gcc 3.2.2 (SuSE Linux) I set java option -Xmx8G and the others were unchanged from Cassandra 0.6.3 settings. I will try upgrading JVM first. Thanks for advice. :) 2010/8/3 Jonathan Ellis <jbel...@gmail.com> > If you have a crash log you should post at least the header rather > than playing 20 questions with us. But if it's not OOM then it's > likely to be a bug in the JVM, so upgrading is probably your best > option. > > On Tue, Aug 3, 2010 at 3:49 AM, Ilun Ahn <prozect.m...@gmail.com> wrote: > > No, I don't think the direct cause is out of heap space. It didn't left > any > > heap dump file with the option -XX:+HeapDumpOnOutOfMemoryError. > > My system.log for the last minute is as follows(many GC occurs): > > INFO [HINTED-HANDOFF-POOL:1] 2010-08-02 20:33:50,254 > > HintedHandOffManager.java (line 153) Started hinted handoff for endPoint > > /10.25.32.36 > > INFO [HINTED-HANDOFF-POOL:1] 2010-08-02 20:33:50,255 > > HintedHandOffManager.java (line 210) Finished hinted handoff of 0 rows to > > endpoint /10.25.32.36 > > INFO [GC inspection] 2010-08-02 20:34:01,919 GCInspector.java (line 110) > GC > > for ParNew: 269 ms, 11161808 reclaimed leaving 5068544312 used; max is > > 8719630336 > > INFO [GC inspection] 2010-08-02 20:34:14,985 GCInspector.java (line 110) > GC > > for ParNew: 208 ms, 12326736 reclaimed leaving 4044195008 used; max is > > 8719630336 > > INFO [GC inspection] 2010-08-02 20:34:15,986 GCInspector.java (line 110) > GC > > for ParNew: 208 ms, 12283112 reclaimed leaving 2005777224 used; max is > > 8719630336 > > INFO [GC inspection] 2010-08-02 20:35:45,834 GCInspector.java (line 110) > GC > > for ParNew: 229 ms, 13074080 reclaimed leaving 5374833480 used; max is > > 8719630336 > > INFO [GC inspection] 2010-08-02 20:35:46,836 GCInspector.java (line 110) > GC > > for ParNew: 203 ms, 12529824 reclaimed leaving 5321733432 used; max is > > 8719630336 > > INFO [GC inspection] 2010-08-02 20:37:01,624 GCInspector.java (line 110) > GC > > for ParNew: 206 ms, 11029656 reclaimed leaving 4473650352 used; max is > > 8719630336 > > INFO [GC inspection] 2010-08-02 20:38:19,064 GCInspector.java (line 110) > GC > > for ConcurrentMarkSweep: 4501 ms, 1057548400 reclaimed leaving 2461458096 > > used; max is 8719630336 > > INFO [GC inspection] 2010-08-02 20:41:20,446 GCInspector.java (line 110) > GC > > for ParNew: 218 ms, 15072720 reclaimed leaving 5345683640 used; max is > > 8719630336 > > INFO [GC inspection] 2010-08-02 20:41:23,453 GCInspector.java (line 110) > GC > > for ParNew: 234 ms, 16818048 reclaimed leaving 3937902088 used; max is > > 8719630336 > > INFO [GC inspection] 2010-08-02 20:42:15,229 GCInspector.java (line 110) > GC > > for ConcurrentMarkSweep: 8015 ms, 739534984 reclaimed leaving 3550138024 > > used; max is 8719630336 > > INFO [GC inspection] 2010-08-02 20:42:42,444 GCInspector.java (line 110) > GC > > for ParNew: 203 ms, 14218928 reclaimed leaving 4398967608 used; max is > > 8719630336 > > INFO [GC inspection] 2010-08-02 20:42:43,565 GCInspector.java (line 110) > GC > > for ParNew: 203 ms, 12274600 reclaimed leaving 1989854648 used; max is > > 8719630336 > > INFO [GC inspection] 2010-08-02 20:43:01,801 GCInspector.java (line 110) > GC > > for ParNew: 212 ms, 10183184 reclaimed leaving 2337034168 used; max is > > 8719630336 > > INFO [GC inspection] 2010-08-02 20:44:01,215 GCInspector.java (line 110) > GC > > for ParNew: 218 ms, 10402368 reclaimed leaving 4334140184 used; max is > > 8719630336 > > INFO [GC inspection] 2010-08-02 20:44:35,623 GCInspector.java (line 110) > GC > > for ConcurrentMarkSweep: 4424 ms, 3101007888 reclaimed leaving 2459621048 > > used; max is 8719630336 > > INFO [GC inspection] 2010-08-02 20:45:32,089 GCInspector.java (line 110) > GC > > for ParNew: 227 ms, 27109720 reclaimed leaving 5410486832 used; max is > > 8719630336 > > INFO [GC inspection] 2010-08-02 20:45:35,095 GCInspector.java (line 110) > GC > > for ParNew: 203 ms, 28235832 reclaimed leaving 3580093424 used; max is > > 8719630336 > > INFO [GC inspection] 2010-08-02 20:46:01,203 GCInspector.java (line 110) > GC > > for ParNew: 257 ms, 12257744 reclaimed leaving 3469012312 used; max is > > 8719630336 > > INFO [GC inspection] 2010-08-02 20:46:51,060 GCInspector.java (line 110) > GC > > for ParNew: 222 ms, 18473064 reclaimed leaving 5320004640 used; max is > > 8719630336 > > > > > > > > > > > > and the JRE crash log show that current thread is COMPACTION-POOL:1. > > > > > > > > ps. Sorry for unnecessary message. my mistake. > > > > > > > > > > 2010/8/3 Ilun Ahn <prozect.m...@gmail.com> > >> > >> > >> 2010/8/2 Peter Schuller <peter.schul...@infidyne.com> > >>> > >>> > First, Cassandra suddenly dies during compaction. Java core dump says > >>> > that > >>> > the last thread run was "COMPACTION-POOL:1". > >>> > I suspect that my business logic could lead size of columns in a > column > >>> > family per a row to be greater than two gigabytes. (but i couldn't > >>> > confirm > >>> > it yet) > >>> > >>> Are you running out of memory (java heap)? If you're running cassandra > >>> with default options, it will be running with > >>> -XX:+HeapDumpOnOutOfMemoryError > >>> > >>> Have you checked the cassandra system.log for garbage collection > >>> messages? What is in the last minute or two of logs? > >>> > >>> -- > >>> / Peter Schuller > >> > > > > > > > > -- > Jonathan Ellis > Project Chair, Apache Cassandra > co-founder of Riptano, the source for professional Cassandra support > http://riptano.com >
