Hi, I am using kafka_2.11-0.9.0.1, there are multiple of warnings occur in kafkaServer.out: java.lang.OutOfMemoryError: Java heap space.
- the jstat output like this: # jstat -gc 28591 S0C S1C S0U S1U EC EU OC OU MC MU CCSC CCSU YGC YGCT FGC FGCT GCT 0.0 0.0 0.0 0.0 18432.0 9216.0 1030144.0 1029128.8 26240.0 25918.9 3456.0 3398.8 34673 1104.062 10772 37219.665 38323.727 - kafkaServer-gc.log: 2016-08-19T08:40:59.352+0800: 84889.380: [Full GC (Allocation Failure) 1017M->1017M(1024M), 3.3727202 secs] [Eden: 0.0B(51.0M)->0.0B(51.0M) Survivors: 0.0B->0.0B Heap: 1017.7M(1024.0M)->1017.7M(1024.0M)], [Metaspace: 26056K->26056K(1073152K)] it seems that full gc can not recycle any memory any more.My gc settings is as follows: -Xmx1G -Xms1G -XX:+UseG1GC -XX:MaxGCPauseMillis=20 -XX:InitiatingHeapOccupancyPercent=35 -XX:+DisableExplicitGC -Djava.awt.headless=true -Xloggc:/var/log/kafka/kafkaServer-gc.log -verbose:gc -XX:+PrintGCDetails -XX:+PrintGCDateStamps -XX:+PrintGCTimeStamps -Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.ssl=false -Dkafka.logs.dir=/var/log/kafka -Dlog4j.configuration=file:/usr/lib/kafka/bin/../config/log4j.properties
