johnsonyjl created ROCKETMQ-307:
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Summary: some jvm arguments need changed for java 8 and direct
memory GC
Key: ROCKETMQ-307
URL: https://issues.apache.org/jira/browse/ROCKETMQ-307
Project: Apache RocketMQ
Issue Type: Improvement
Components: rocketmq-externals
Affects Versions: 4.2.0
Environment: all
Reporter: johnsonyjl
Assignee: dongeforever
Fix For: 4.2.0
* new jvm arguments -XX:MetaspaceSize=128m -XX:MaxMetaspaceSize=320m for jdk 8
* remove the -XX:+DisableExplicitGC, if use the DisableExplicitGC, the direct
memory GC will be not run correctly. please refer to
java.nio.Bits#reserveMemory method
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