hive-env.sh 添加如下，其中踩坑踩了不少。
if [ "$SERVICE" = "metastore" ]; then
???if [ -z "$DEBUG" ]; then
???????export HIVE_METASTORE_HADOOP_OPTS=" -XX:+PrintCommandLineFlags -Xms12g -Xmx12g -XX:MetaspaceSize=128m -XX:+UseParNewGC -XX:+UseConcMarkSweepGC -XX:CMSInitiatingOccupancyFract
ion=75 -XX:+UseCMSInitiatingOccupancyOnly -verbose:gc -XX:+PrintGCDetails -XX:+PrintTenuringDistribution -XX:+PrintGCApplicationStoppedTime -XX:+PrintPromotionFailure -XX:+PrintGCDat
eStamps -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=2 -XX:GCLogFileSize=512M -Xloggc:/app/hive/log/gc-metastore.log"
???else
???????export HIVE_METASTORE_HADOOP_OPTS=" -XX:+PrintCommandLineFlags -Xms12g -Xmx12g -XX:MetaspaceSize=128m -XX:+UseParNewGC -XX:+UseConcMarkSweepGC -XX:CMSInitiatingOccupancyFract
ion=75 -XX:+UseCMSInitiatingOccupancyOnly -verbose:gc -XX:+PrintGCDetails -XX:+PrintTenuringDistribution -XX:+PrintGCApplicationStoppedTime -XX:+PrintPromotionFailure -XX:+PrintGCDat
eStamps -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=2 -XX:GCLogFileSize=512M -Xloggc:/app/hive/log/gc-metastore.log"
???fi ?
export HADOOP_CLIENT_OPTS=" -Xmx12g -Xss512k $HADOOP_CLIENT_OPTS"
fi
if [ "$SERVICE" = "hiveserver2" ]; then
???if [ -z "$DEBUG" ]; then
???????export HIVE_SERVER2_HADOOP_OPTS="$HADOOP_OPTS -XX:+PrintCommandLineFlags -Xms12g -Xmx12g -XX:MetaspaceSize=128m -XX:+UseParNewGC -XX:+UseConcMarkSweepGC -XX:CMSInitiatingOccu
pancyFraction=75 -XX:+UseCMSInitiatingOccupancyOnly -verbose:gc -XX:+PrintGCDetails -XX:+PrintTenuringDistribution -XX:+PrintGCApplicationStoppedTime -XX:+PrintPromotionFailure -XX:+
PrintGCDateStamps -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=2 -XX:GCLogFileSize=512M -Xloggc:/app/hive/log/gc-hiveserver2.log"
???else
???????export HIVE_SERVER2_HADOOP_OPTS="$HADOOP_OPTS -XX:+PrintCommandLineFlags -Xms12g -Xmx12g -XX:MetaspaceSize=128m -XX:+UseParNewGC -XX:+UseConcMarkSweepGC -XX:CMSInitiatingOccu
pancyFraction=75 -XX:+UseCMSInitiatingOccupancyOnly -verbose:gc -XX:+PrintGCDetails -XX:+PrintTenuringDistribution -XX:+PrintGCApplicationStoppedTime -XX:+PrintPromotionFailure -XX:+
PrintGCDateStamps -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=2 -XX:GCLogFileSize=512M -Xloggc:/app/hive/log/gc-hiveserver2.log"
???fi ?
???export HADOOP_CLIENT_OPTS=" -Xmx12g -Xss512k $HADOOP_CLIENT_OPTS"
fi
hive metastore && hiveserver2 . jvm 配置调整优化
原文地址：https://www.cnblogs.com/hit-zb/p/9637644.html