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From "jang (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (KAFKA-5734) Heap (Old generation space) gradually increase
Date Fri, 13 Oct 2017 00:32:00 GMT

     [ https://issues.apache.org/jira/browse/KAFKA-5734?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

jang resolved KAFKA-5734.
-------------------------
    Resolution: Resolved

I used producer not intended.

> 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, jconsole.png
>
>
> 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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