[jira] [Created] (KAFKA-5734) Heap (Old generation space) gradually increase

["jang (JIRA)" <ji...@apache.org>]

jang created KAFKA-5734:
---------------------------

             Summary: Heap (Old generation space) gradually increase
                 Key: KAFKA-5734
                 URL: https://issues.apache.org/jira/browse/KAFKA-5734
             Project: Kafka
          Issue Type: Bug
          Components: metrics
    Affects Versions: 0.10.2.0
         Environment: ubuntu 14.04 / java 1.7.0
            Reporter: jang
         Attachments: heap-log.xlsx

I set up kafka server on ubuntu with 4GB ram.

Heap ( Old generation space ) size is increasing gradually like attached excel file which recorded gc info in 1 minute interval.

Finally OU occupies 2.6GB and GC expend too much time ( And out of memory exception )

kafka process argumens are below.

_java -Xmx3000M -Xms2G -server -XX:+UseG1GC -XX:MaxGCPauseMillis=20 -XX:InitiatingHeapOccupancyPercent=35 -XX:+DisableExplicitGC -Djava.awt.headless=true -Xloggc:/usr/local/kafka/bin/../logs/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=/usr/local/kafka/bin/../logs -Dlog4j.configuration=file:/usr/local/kafka/bin/../config/log4j.properties_








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