Sebastian: Are you using jdk 7 or jdk 8 ? For jdk 7, there was bug w.r.t. code cache getting full which affects performance.
https://bugs.openjdk.java.net/browse/JDK-8051955 https://bugs.openjdk.java.net/browse/JDK-8074288 http://blog.andresteingress.com/2016/10/19/java-codecache Cheers On Mon, Jun 12, 2017 at 1:08 PM, Flavio Pompermaier <pomperma...@okkam.it> wrote: > Try to see of in the output of dmesg command there are some log about an > OOM. The OS logs there such info. I had a similar experience recently... > see [1] > > Best, > Flavio > > [1] http://apache-flink-user-mailing-list-archive.2336050. > n4.nabble.com/Flink-and-swapping-question-td13284.html > > On 12 Jun 2017 21:51, "Sebastian Neef" <gehax...@mailbox.tu-berlin.de> > wrote: > >> Hi Stefan, >> >> thanks for the answer and the advise, which I've already seen in another >> email. >> >> Anyway, I played around with the taskmanager.numberOfTaskSlots and >> taskmanager.memory.fraction options. I noticed that decreasing the >> former and increasing the latter lead to longer execution and more >> processed data before the failure. >> >> The error messages and exceptions from an affected TaskManager are here >> [1]. Unfortunately, I cannot find a java.lang.OutOfMemoryError in here. >> >> Do you have another idea or something to try? >> >> Thanks in advance, >> Sebastian >> >> >> [1] >> http://paste.gehaxelt.in/?e669fabc1d4c15be#G1Ioq/ASwGUdCaK2r >> Q1AY3ZmCkA7LN4xVOHvM9NeI2g= >> >