[
https://issues.apache.org/jira/browse/ROCKETMQ-307?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16237017#comment-16237017
]
ASF GitHub Bot commented on ROCKETMQ-307:
-----------------------------------------
zhouxinyu closed pull request #186: [ROCKETMQ-307] Polish the JVM parameters in
start scriptes
URL: https://github.com/apache/rocketmq/pull/186
This is a PR merged from a forked repository.
As GitHub hides the original diff on merge, it is displayed below for
the sake of provenance:
As this is a foreign pull request (from a fork), the diff is supplied
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diff --git a/distribution/bin/runbroker.cmd b/distribution/bin/runbroker.cmd
index 033d8225..eab7e30f 100644
--- a/distribution/bin/runbroker.cmd
+++ b/distribution/bin/runbroker.cmd
@@ -29,7 +29,7 @@ rem
============================================================================
rem JVM Configuration
rem
===========================================================================================
set "JAVA_OPT=%JAVA_OPT% -server -Xms2g -Xmx2g -Xmn1g"
-set "JAVA_OPT=%JAVA_OPT% -XX:+UseG1GC -XX:G1HeapRegionSize=16m
-XX:G1ReservePercent=25 -XX:InitiatingHeapOccupancyPercent=30
-XX:SoftRefLRUPolicyMSPerMB=0 -XX:SurvivorRatio=8 -XX:+DisableExplicitGC"
+set "JAVA_OPT=%JAVA_OPT% -XX:+UseG1GC -XX:G1HeapRegionSize=16m
-XX:G1ReservePercent=25 -XX:InitiatingHeapOccupancyPercent=30
-XX:SoftRefLRUPolicyMSPerMB=0 -XX:SurvivorRatio=8"
set "JAVA_OPT=%JAVA_OPT% -verbose:gc -Xloggc:%USERPROFILE%\mq_gc.log
-XX:+PrintGCDetails -XX:+PrintGCDateStamps -XX:+PrintGCApplicationStoppedTime
-XX:+PrintAdaptiveSizePolicy"
set "JAVA_OPT=%JAVA_OPT% -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=5
-XX:GCLogFileSize=30m"
set "JAVA_OPT=%JAVA_OPT% -XX:-OmitStackTraceInFastThrow"
diff --git a/distribution/bin/runbroker.sh b/distribution/bin/runbroker.sh
index b0c490e9..f9c7fcb8 100644
--- a/distribution/bin/runbroker.sh
+++ b/distribution/bin/runbroker.sh
@@ -37,7 +37,7 @@ export CLASSPATH=.:${BASE_DIR}/conf:${CLASSPATH}
# JVM Configuration
#===========================================================================================
JAVA_OPT="${JAVA_OPT} -server -Xms8g -Xmx8g -Xmn4g"
-JAVA_OPT="${JAVA_OPT} -XX:+UseG1GC -XX:G1HeapRegionSize=16m
-XX:G1ReservePercent=25 -XX:InitiatingHeapOccupancyPercent=30
-XX:SoftRefLRUPolicyMSPerMB=0 -XX:SurvivorRatio=8 -XX:+DisableExplicitGC"
+JAVA_OPT="${JAVA_OPT} -XX:+UseG1GC -XX:G1HeapRegionSize=16m
-XX:G1ReservePercent=25 -XX:InitiatingHeapOccupancyPercent=30
-XX:SoftRefLRUPolicyMSPerMB=0 -XX:SurvivorRatio=8"
JAVA_OPT="${JAVA_OPT} -verbose:gc -Xloggc:/dev/shm/mq_gc_%p.log
-XX:+PrintGCDetails -XX:+PrintGCDateStamps -XX:+PrintGCApplicationStoppedTime
-XX:+PrintAdaptiveSizePolicy"
JAVA_OPT="${JAVA_OPT} -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=5
-XX:GCLogFileSize=30m"
JAVA_OPT="${JAVA_OPT} -XX:-OmitStackTraceInFastThrow"
diff --git a/distribution/bin/runserver.cmd b/distribution/bin/runserver.cmd
index e157d55f..48e32bf2 100644
--- a/distribution/bin/runserver.cmd
+++ b/distribution/bin/runserver.cmd
@@ -26,8 +26,8 @@ for %%d in (%BASE_DIR%) do set BASE_DIR=%%~dpd
set CLASSPATH=.;%BASE_DIR%conf;%CLASSPATH%
-set "JAVA_OPT=%JAVA_OPT% -server -Xms2g -Xmx2g -Xmn1g -XX:PermSize=128m
-XX:MaxPermSize=320m"
-set "JAVA_OPT=%JAVA_OPT% -XX:+UseConcMarkSweepGC
-XX:+UseCMSCompactAtFullCollection -XX:CMSInitiatingOccupancyFraction=70
-XX:+CMSParallelRemarkEnabled -XX:SoftRefLRUPolicyMSPerMB=0
-XX:+CMSClassUnloadingEnabled -XX:SurvivorRatio=8 -XX:+DisableExplicitGC
-XX:-UseParNewGC"
+set "JAVA_OPT=%JAVA_OPT% -server -Xms2g -Xmx2g -Xmn1g -XX:MetaspaceSize=128m
-XX:MaxMetaspaceSize=320m"
+set "JAVA_OPT=%JAVA_OPT% -XX:+UseConcMarkSweepGC
-XX:+UseCMSCompactAtFullCollection -XX:CMSInitiatingOccupancyFraction=70
-XX:+CMSParallelRemarkEnabled -XX:SoftRefLRUPolicyMSPerMB=0
-XX:+CMSClassUnloadingEnabled -XX:SurvivorRatio=8 -XX:-UseParNewGC"
set "JAVA_OPT=%JAVA_OPT% -verbose:gc -Xloggc:"%USERPROFILE%\rmq_srv_gc.log"
-XX:+PrintGCDetails"
set "JAVA_OPT=%JAVA_OPT% -XX:-OmitStackTraceInFastThrow"
set "JAVA_OPT=%JAVA_OPT% -XX:-UseLargePages"
diff --git a/distribution/bin/runserver.sh b/distribution/bin/runserver.sh
index 7c41b0c2..7bbfb73a 100644
--- a/distribution/bin/runserver.sh
+++ b/distribution/bin/runserver.sh
@@ -36,8 +36,8 @@ export CLASSPATH=.:${BASE_DIR}/conf:${CLASSPATH}
#===========================================================================================
# JVM Configuration
#===========================================================================================
-JAVA_OPT="${JAVA_OPT} -server -Xms4g -Xmx4g -Xmn2g -XX:PermSize=128m
-XX:MaxPermSize=320m"
-JAVA_OPT="${JAVA_OPT} -XX:+UseConcMarkSweepGC
-XX:+UseCMSCompactAtFullCollection -XX:CMSInitiatingOccupancyFraction=70
-XX:+CMSParallelRemarkEnabled -XX:SoftRefLRUPolicyMSPerMB=0
-XX:+CMSClassUnloadingEnabled -XX:SurvivorRatio=8 -XX:+DisableExplicitGC
-XX:-UseParNewGC"
+JAVA_OPT="${JAVA_OPT} -server -Xms4g -Xmx4g -Xmn2g -XX:MetaspaceSize=128m
-XX:MaxMetaspaceSize=320m"
+JAVA_OPT="${JAVA_OPT} -XX:+UseConcMarkSweepGC
-XX:+UseCMSCompactAtFullCollection -XX:CMSInitiatingOccupancyFraction=70
-XX:+CMSParallelRemarkEnabled -XX:SoftRefLRUPolicyMSPerMB=0
-XX:+CMSClassUnloadingEnabled -XX:SurvivorRatio=8 -XX:-UseParNewGC"
JAVA_OPT="${JAVA_OPT} -verbose:gc -Xloggc:/dev/shm/rmq_srv_gc.log
-XX:+PrintGCDetails"
JAVA_OPT="${JAVA_OPT} -XX:-OmitStackTraceInFastThrow"
JAVA_OPT="${JAVA_OPT} -XX:-UseLargePages"
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> 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
> Priority: Major
> 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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