jang created KAFKA-5734:
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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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