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Posted to dev@rocketmq.apache.org by GitBox <gi...@apache.org> on 2020/03/19 09:38:20 UTC
[GitHub] [rocketmq] HashZhang opened a new issue #1870: Adopted OpenJDK 11
HashZhang opened a new issue #1870: Adopted OpenJDK 11
URL: https://github.com/apache/rocketmq/issues/1870
Hi. We adopted RocketMQ with OpenJDK 11.0.4 (LTS) from version 4.5.0 to 4.7.0 and have been running online for a long time. The JVM Parameters we are using is:
```
JAVA_OPT="${JAVA_OPT} --add-exports java.base/jdk.internal.ref=ALL-UNNAMED -server -Xms8g -Xmx8g -Xmn4g"
JAVA_OPT="${JAVA_OPT} -XX:+UseG1GC -XX:G1HeapRegionSize=16m -XX:G1ReservePercent=25 -XX:InitiatingHeapOccupancyPercent=30 -XX:SoftRefLRUPolicyMSPerMB=0"
JAVA_OPT="${JAVA_OPT} -verbose:gc -Xlog:gc*=info,safepoint=info:file=${GC_LOG_DIR}/rmq_broker_gc.log:utctime,level,tags:filecount=5,filesize=30M"
JAVA_OPT="${JAVA_OPT} -XX:-OmitStackTraceInFastThrow"
JAVA_OPT="${JAVA_OPT} -XX:+AlwaysPreTouch"
JAVA_OPT="${JAVA_OPT} -XX:MaxDirectMemorySize=15g"
JAVA_OPT="${JAVA_OPT} -XX:-UseLargePages -XX:-UseBiasedLocking"
JAVA_OPT="${JAVA_OPT} --class-path=${JAVA_HOME}/jre/lib/ext/*:${BASE_DIR}/lib/*:${CLASSPATH}"
#JAVA_OPT="${JAVA_OPT} -Xdebug -Xrunjdwp:transport=dt_socket,address=9555,server=y,suspend=n"
JAVA_OPT="${JAVA_OPT} ${JAVA_OPT_EXT}"
```
considering making JVM options a public parameter for user to switch between OpenJDK 8 and OpenJDK 11
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[GitHub] [rocketmq] wlliqipeng commented on issue #1870: Adopted OpenJDK 11
Posted by GitBox <gi...@apache.org>.
wlliqipeng commented on issue #1870: Adopted OpenJDK 11
URL: https://github.com/apache/rocketmq/issues/1870#issuecomment-608338217
You are welcome to contribute the function to RocketMQ. You may be able to submit a PR.
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[GitHub] [rocketmq] wlliqipeng closed issue #1870: Adopted OpenJDK 11
Posted by GitBox <gi...@apache.org>.
wlliqipeng closed issue #1870: Adopted OpenJDK 11
URL: https://github.com/apache/rocketmq/issues/1870
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