Re: JVM core dump running Flink streaming

2015-09-28 Thread Till Rohrmann
When the CMS garbage collector is used we additionally set -XX:+CMSClassUnloadingEnabled. Everything else are the default values. ​ On Mon, Sep 28, 2015 at 11:22 AM, Jakob Ericsson wrote: > Yes. I just wanted to know if you have any preferred settings for CMS or > should I use fairly standard co

Re: JVM core dump running Flink streaming

2015-09-28 Thread Jakob Ericsson
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 wrote: > Hi Jakob, > > you can control the used garbage collector by specifying the env.java.opts > configuration parameter in your flink

Re: JVM core dump running Flink streaming

2015-09-28 Thread Till Rohrmann
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:+Use

JVM core dump running Flink streaming

2015-09-28 Thread Jakob Ericsson
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 E