Hi, Can you make sure that the ulimit settings are applied to the Spark process? Is this Spark on YARN or Standalone?
Pozdrawiam, Jacek Laskowski ---- https://medium.com/@jaceklaskowski/ Mastering Apache Spark http://bit.ly/mastering-apache-spark Follow me at https://twitter.com/jaceklaskowski On Wed, Jun 1, 2016 at 7:55 PM, prateek arora <prateek.arora...@gmail.com> wrote: > Hi > > I am using cloudera to setup spark 1.6.0 on ubuntu 14.04 . > > I set core dump limit to unlimited in all nodes . > Edit /etc/security/limits.conf file and add " * soft core unlimited " > line. > > i rechecked using : $ ulimit -all > > core file size (blocks, -c) unlimited > data seg size (kbytes, -d) unlimited > scheduling priority (-e) 0 > file size (blocks, -f) unlimited > pending signals (-i) 241204 > max locked memory (kbytes, -l) 64 > max memory size (kbytes, -m) unlimited > open files (-n) 1024 > pipe size (512 bytes, -p) 8 > POSIX message queues (bytes, -q) 819200 > real-time priority (-r) 0 > stack size (kbytes, -s) 8192 > cpu time (seconds, -t) unlimited > max user processes (-u) 241204 > virtual memory (kbytes, -v) unlimited > file locks (-x) unlimited > > but when I am running my spark application with some third party native > libraries . but it crashes some time and show error " Failed to write core > dump. Core dumps have been disabled. To enable core dumping, try "ulimit -c > unlimited" before starting Java again " . > > Below are the log : > > A fatal error has been detected by the Java Runtime Environment: > # > # SIGSEGV (0xb) at pc=0x00007fd44b491fb9, pid=20458, tid=140549318547200 > # > # JRE version: Java(TM) SE Runtime Environment (7.0_67-b01) (build > 1.7.0_67-b01) > # Java VM: Java HotSpot(TM) 64-Bit Server VM (24.65-b04 mixed mode > linux-amd64 compressed oops) > # Problematic frame: > # V [libjvm.so+0x650fb9] jni_SetByteArrayRegion+0xa9 > # > # Failed to write core dump. Core dumps have been disabled. To enable core > dumping, try "ulimit -c unlimited" before starting Java again > # > # An error report file with more information is saved as: > # > /yarn/nm/usercache/master/appcache/application_1462930975871_0004/container_1462930975871_0004_01_000066/hs_err_pid20458.log > # > # If you would like to submit a bug report, please visit: > # http://bugreport.sun.com/bugreport/crash.jsp > # > > > so how can i enable core dump and save it some place ? > > Regards > Prateek > > > > -- > View this message in context: > http://apache-spark-user-list.1001560.n3.nabble.com/How-to-enable-core-dump-in-spark-tp27065.html > Sent from the Apache Spark User List mailing list archive at Nabble.com. > > --------------------------------------------------------------------- > To unsubscribe, e-mail: user-unsubscr...@spark.apache.org > For additional commands, e-mail: user-h...@spark.apache.org > --------------------------------------------------------------------- To unsubscribe, e-mail: user-unsubscr...@spark.apache.org For additional commands, e-mail: user-h...@spark.apache.org
