From 2c8c999d527f223a7742e17ff9cf08208d40ce33 Mon Sep 17 00:00:00 2001
From: LI Qing <geding.lq@antfin.com>
Date: Fri, 4 Sep 2020 17:25:40 +0800
Subject: [PATCH] Speed up the boot procedure of JVM

---
 demos/java/run_java_on_occlum.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/demos/java/run_java_on_occlum.sh b/demos/java/run_java_on_occlum.sh
index 6a04ac56..65632a7d 100755
--- a/demos/java/run_java_on_occlum.sh
+++ b/demos/java/run_java_on_occlum.sh
@@ -51,7 +51,7 @@ run_web() {
     init_instance
     build_web
     echo -e "${BLUE}occlum run JVM web app${NC}"
-    occlum run /usr/lib/jvm/java-11-alibaba-dragonwell/jre/bin/java -Xmx512m -XX:MaxMetaspaceSize=64m -Dos.name=Linux -jar /usr/lib/spring/${jar_file}
+    occlum run /usr/lib/jvm/java-11-alibaba-dragonwell/jre/bin/java -Xmx512m -XX:-UseCompressedOops -XX:MaxMetaspaceSize=64m -Dos.name=Linux -jar /usr/lib/spring/${jar_file}
 }
 
 build_hello() {
@@ -69,7 +69,7 @@ run_hello() {
     init_instance
     build_hello
     echo -e "${BLUE}occlum run JVM hello${NC}"
-    occlum run /usr/lib/jvm/java-11-alibaba-dragonwell/jre/bin/java -Xmx512m -XX:MaxMetaspaceSize=64m -Dos.name=Linux Main
+    occlum run /usr/lib/jvm/java-11-alibaba-dragonwell/jre/bin/java -Xmx512m -XX:-UseCompressedOops -XX:MaxMetaspaceSize=64m -Dos.name=Linux Main
 }
 
 arg=$1