Yes. I just wanted to know if you have any preferred settings for CMS or should I use fairly standard configs?
On Mon, Sep 28, 2015 at 11:19 AM, Till Rohrmann <trohrm...@apache.org> wrote: > Hi Jakob, > > you can control the used garbage collector by specifying the env.java.opts > configuration parameter in your flink-conf.yaml. Here you can basically > specify all the JVM options which will be given to the JVMs. Thus, in your > case you could try the following settings: env.java.opts: > -XX:+UseConcMarkSweepGC. > > Cheers, > Till > > > On Mon, Sep 28, 2015 at 10:15 AM, Jakob Ericsson <jakob.erics...@gmail.com > > wrote: > >> Hi, >> >> I'm testing Flink streaming but seems to have some problems with jvm core >> dumps. >> I haven't really looked at the heap dump yet. >> It seems to be related to the G1 GC. >> >> If I want to go back to CMS-GC, do you have any preferred settings? >> >> >> >> >> # >> # A fatal error has been detected by the Java Runtime Environment: >> # >> # SIGSEGV (0xb) at pc=0x00007fa281df900d, pid=36541, tid=140335655700224 >> # >> # JRE version: Java(TM) SE Runtime Environment (8.0_45-b14) (build >> 1.8.0_45-b14) >> # Java VM: Java HotSpot(TM) 64-Bit Server VM (25.45-b02 mixed mode >> linux-amd64 compressed oops) >> # Problematic frame: >> # V [libjvm.so+0x5b900d] >> G1ParScanThreadState::copy_to_survivor_space(oopDesc*)+0x3d >> # >> # Failed to write core dump. Core dumps have been disabled. To enable >> core dumping, try "ulimit -c unlimited" before starting Java again >> # >> # If you would like to submit a bug report, please visit: >> # http://bugreport.java.com/bugreport/crash.jsp >> # >> >> --------------- T H R E A D --------------- >> >> Current thread (0x00007fa26c00f800): GCTaskThread [stack: >> 0x00007fa270d84000,0x00007fa270e85000] [id=36559] >> >> siginfo: si_signo: 11 (SIGSEGV), si_code: 1 (SEGV_MAPERR), si_addr: >> 0x0000000000000008 >> >> Registers: >> RAX=0x00007fa2827b03b0, RBX=0x00007fa2827b03a0, RCX=0x0000000000000003, >> RDX=0x0000000000000001 >> RSP=0x00007fa270e83490, RBP=0x00007fa270e83520, RSI=0x00000000dc6e5530, >> RDI=0x0000000000000000 >> R8 =0x00000000dc6e5530, R9 =0x00007fa282929ba7, R10=0x00000000c49742a8, >> R11=0x00007fa2822b2e20 >> R12=0x000000008c579484, R13=0x00000000dc6e5530, R14=0x00007fa270e83780, >> R15=0x00007fa270e83aa0 >> RIP=0x00007fa281df900d, EFLAGS=0x0000000000010246, >> CSGSFS=0x0000000000000033, ERR=0x0000000000000004 >> TRAPNO=0x000000000000000e >> >> Top of Stack: (sp=0x00007fa270e83490) >> 0x00007fa270e83490: 00007fa270e834f0 00000000c49742c0 >> 0x00007fa270e834a0: 00007fa270e83780 000000008210a22f >> 0x00007fa270e834b0: 000000000000000b 00007fa26c333110 >> 0x00007fa270e834c0: 0000000700000001 0000000000000001 >> 0x00007fa270e834d0: 000000000257e760 000000000257e760 >> 0x00007fa270e834e0: 00007fa270e83790 00007fa23c37da70 >> 0x00007fa270e834f0: 00007fa270e83520 00007fa2827b03a0 >> 0x00007fa270e83500: 000000008c579484 00007fa26c0f7e20 >> 0x00007fa270e83510: 00007fa270e83780 00007fa270e83aa0 >> ... >> ... >> ... >> >> >> >
