[rocketmq] branch develop updated: [ISSUE #2180] Polish jvm options when starting nameserver failed

[vongosling]

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vongosling pushed a commit to branch develop
in repository https://gitbox.apache.org/repos/asf/rocketmq.git


The following commit(s) were added to refs/heads/develop by this push:
     new c91a2f4  [ISSUE #2180] Polish jvm options when starting nameserver 
failed
c91a2f4 is described below

commit c91a2f4cb084c19112e43febabe4824c35ff202d
Author: 张旭 <maixiaoha...@gmail.com>
AuthorDate: Thu Jul 23 17:08:05 2020 +0800

    [ISSUE #2180] Polish jvm options when starting nameserver failed
    
    Co-authored-by: zhangxu16 <zhangx...@xiaomi.com>
---
 distribution/bin/runserver.sh | 19 ++++++++++++++++---
 1 file changed, 16 insertions(+), 3 deletions(-)

diff --git a/distribution/bin/runserver.sh b/distribution/bin/runserver.sh
index 08fef73..68fd1b4 100644
--- a/distribution/bin/runserver.sh
+++ b/distribution/bin/runserver.sh
@@ -62,12 +62,25 @@ choose_gc_log_directory()
     esac
 }
 
+choose_gc_options()
+{
+    # Example of JAVA_MAJOR_VERSION value : '1', '9', '10', '11', ...
+    # '1' means releases befor Java 9
+    JAVA_MAJOR_VERSION=$("$JAVA" -version 2>&1 | sed -E -n 's/.* version 
"([0-9]*).*$/\1/p')
+    if [[ "$JAVA_MAJOR_VERSION" -lt "9" ]] ; then
+      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:${GC_LOG_DIR}/rmq_srv_gc_%p_%t.log -XX:+PrintGCDetails"
+      JAVA_OPT="${JAVA_OPT} -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=5 
-XX:GCLogFileSize=30m"
+    else
+      JAVA_OPT="${JAVA_OPT} -XX:+UseG1GC -XX:G1HeapRegionSize=16m 
-XX:G1ReservePercent=25 -XX:InitiatingHeapOccupancyPercent=30 
-XX:SoftRefLRUPolicyMSPerMB=0"
+      JAVA_OPT="${JAVA_OPT} 
-Xlog:gc*:file=${GC_LOG_DIR}/rmq_srv_gc_%p_%t.log:time,tags:filecount=5,filesize=30M"
+    fi
+}
+
 choose_gc_log_directory
 
 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="${JAVA_OPT} -verbose:gc -Xloggc:${GC_LOG_DIR}/rmq_srv_gc_%p_%t.log 
-XX:+PrintGCDetails"
-JAVA_OPT="${JAVA_OPT} -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=5 
-XX:GCLogFileSize=30m"
+choose_gc_options
 JAVA_OPT="${JAVA_OPT} -XX:-OmitStackTraceInFastThrow"
 JAVA_OPT="${JAVA_OPT} -XX:-UseLargePages"
 JAVA_OPT="${JAVA_OPT} 
-Djava.ext.dirs=${JAVA_HOME}/jre/lib/ext:${BASE_DIR}/lib:${JAVA_HOME}/lib/ext"