Update voovan.dockerfile (#5865)

* Update voovan.dockerfile

* Update voovan.dockerfile

frameworks/Java/voovan/voovan.dockerfile

@@ -9,6 +9,7 @@ FROM openjdk:11.0.3-jdk-slim
 WORKDIR /voovan
 COPY --from=maven /voovan/target/voovan-bench-0.1-jar-with-dependencies.jar app.jar
 COPY --from=maven /voovan/config/framework.properties config/framework.properties
+
 CMD java -DCheckTimeout=false \
     -DThreadBufferPoolSize=1024 \
     -DByteBufferSize=4096 \
@@ -16,6 +17,7 @@ CMD java -DCheckTimeout=false \
     -DAsyncRecive=false \
     -DByteBufferAnalysis=-1\
     -server -Xms2g -Xmx2g \
+    -XX:+AlwaysPreTouch \
     -XX:-RestrictContended \
     -XX:+UseParallelGC -XX:+UseNUMA \
     -XX:+AggressiveOpts -XX:+UseBiasedLocking \