add UseStringDeduplication option

Author: bowenliang123

conf/kyuubi-env.sh.template

@@ -64,5 +64,5 @@
 # export HIVE_HADOOP_CLASSPATH=${HADOOP_HOME}/share/hadoop/common/lib/commons-collections-3.2.2.jar:${HADOOP_HOME}/share/hadoop/client/hadoop-client-runtime-3.1.0.jar:${HADOOP_HOME}/share/hadoop/client/hadoop-client-api-3.1.0.jar:${HADOOP_HOME}/share/hadoop/common/lib/htrace-core4-4.1.0-incubating.jar
 # export HADOOP_CONF_DIR=/usr/ndp/current/mapreduce_client/conf
 # export YARN_CONF_DIR=/usr/ndp/current/yarn/conf
-# export KYUUBI_JAVA_OPTS="-Xmx10g -XX:MaxMetaspaceSize=512m -XX:MaxDirectMemorySize=1024m -XX:+UseG1GC -XX:+UnlockDiagnosticVMOptions -XX:+UseCondCardMark -XX:+UseGCOverheadLimit -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=./logs -XX:+PrintGCDetails -XX:+PrintGCDateStamps -XX:+PrintTenuringDistribution -verbose:gc -Xloggc:./logs/kyuubi-server-gc-%t.log -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=10 -XX:GCLogFileSize=20M"
+# export KYUUBI_JAVA_OPTS="-Xmx10g -XX:MaxMetaspaceSize=512m -XX:MaxDirectMemorySize=1024m -XX:+UseG1GC -XX:+UseStringDeduplication -XX:+UnlockDiagnosticVMOptions -XX:+UseCondCardMark -XX:+UseGCOverheadLimit -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=./logs -XX:+PrintGCDetails -XX:+PrintGCDateStamps -XX:+PrintTenuringDistribution -verbose:gc -Xloggc:./logs/kyuubi-server-gc-%t.log -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=10 -XX:GCLogFileSize=20M"
 # export KYUUBI_BEELINE_OPTS="-Xmx2g -XX:+UseG1GC -XX:+UnlockDiagnosticVMOptions -XX:+UseCondCardMark"