From 4abd12e75db4b0ec51dce4ff8ee5ba5907239e67 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9D=8E=E6=99=93=E5=8F=8C=20Li=20Xiao=20Shuang?=
 <644968328@qq.com>
Date: Mon, 9 May 2022 09:19:20 +0800
Subject: [PATCH] Add -Xmn parameter when jdk version is less than 8 (#4262)

---
 distribution/bin/runbroker.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/distribution/bin/runbroker.sh b/distribution/bin/runbroker.sh
index b9048ec3c6..bb8cf4ab44 100644
--- a/distribution/bin/runbroker.sh
+++ b/distribution/bin/runbroker.sh
@@ -66,7 +66,7 @@ choose_gc_options()
 {
     JAVA_MAJOR_VERSION=$("$JAVA" -version 2>&1 | head -1 | cut -d'"' -f2 | sed 's/^1\.//' | cut -d'.' -f1)
     if [ -z "$JAVA_MAJOR_VERSION" ] || [ "$JAVA_MAJOR_VERSION" -lt "8" ] ; 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} -Xmn4g -XX:+UseConcMarkSweepGC -XX:+UseCMSCompactAtFullCollection -XX:CMSInitiatingOccupancyFraction=70 -XX:+CMSParallelRemarkEnabled -XX:SoftRefLRUPolicyMSPerMB=0 -XX:+CMSClassUnloadingEnabled -XX:SurvivorRatio=8 -XX:-UseParNewGC"
     else
       JAVA_OPT="${JAVA_OPT} -XX:+UseG1GC -XX:G1HeapRegionSize=16m -XX:G1ReservePercent=25 -XX:InitiatingHeapOccupancyPercent=30 -XX:SoftRefLRUPolicyMSPerMB=0"
     fi