hakusai22 commented on issue #8898:
URL: https://github.com/apache/rocketmq/issues/8898#issuecomment-2461184825
> You can manually modify benchmark’s startup script benchmark/runclass.sh.
>
> In your case, you should change '-XX:PermSize=128m -XX:MaxPermSize=320m'
to '-XX:MetaspaceSize=128m -XX:MaxMetaspaceSize=320m'.
>
> The PermSize option was used in Java 7 and earlier to set the initial size
of the permanent generation space. However, starting from Java 8, this option
was replaced by Metaspace.
yes, After I modified the jvm parameters, it ran successfully
```
JAVA_OPT="${JAVA_OPT} -server -Xms1g -Xmx1g -Xmn256m "
JAVA_OPT="${JAVA_OPT} -XX:+UseG1GC -XX:MaxGCPauseMillis=200
-XX:G1ReservePercent=20 -XX:InitiatingHeapOccupancyPercent=70"
JAVA_OPT="${JAVA_OPT} -verbose:gc
-Xlog:gc*:file=${GC_LOG_DIR}/rmq_run_class_gc_%p_%t.log:time,uptime,level,tags
-XX:+PrintGCDetails"
JAVA_OPT="${JAVA_OPT} -XX:+UnlockExperimentalVMOptions
-XX:+UseContainerSupport -XX:+PerfDisableSharedMem"
JAVA_OPT="${JAVA_OPT} -cp ${CLASSPATH}"
```
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