Hi Kushan,
This is an excellent tuning guide: https://gist.github.com/mrflip/5958028 . You can find the suggested ‘worker.childopts’ to put into storm.yaml there, which should eliminate the GC error. Best regards,Huy, Le Van On Wednesday, Dec 10, 2014 at 3:25 p.m., Jens-U. Mozdzen <jmozd...@nde.ag>, wrote: Hi Kushan, Zitat von Kushan Maskey : > I am getting bunch of GC error as following. Where do I specify or increase > the memory in the storm? > > java.lang.OutOfMemoryError: GC overhead limit exceeded at > java.lang.reflect.Method.copy(Method.java:151) at > java.lang.reflect.ReflectAccess.copyMethod(ReflectAccess.java:136) at > sun.reflect.ReflectionFactory.copyMethod(ReflectionFactory.java:300) at > java.lang.Class.copyMethods(Class.java:2852) at > java.lang.Class.getMethods(Class.java:1467) at > clojure.lang.Reflector.getMethods(Reflector.java:357) at > clojure.lang.Reflector.invokeNoArgInstanceMember(Reflector.java:296) at > clojure.tools.logging$eval1$fn__2.invoke(NO_SOURCE_FILE:0) at > clojure.tools.logging.impl$fn__39$G__17__46.invoke(impl.clj:16) at > backtype.storm.daemon.executor$fail_spout_msg.invoke(executor.clj:369) at these seem to be errors from a worker log - you can update the supervisor's configuration (in storm.yaml) to specify worker options, i.e. setting memory size and/or garbage collector tuning options. Regards, j...@mmillerassociates.com>
