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Which issue(s) this PR fixes
Partially fixes #898
Additional comments
In order to add garbage collect configuration to hadoop daemon (required in #898), it is needed to add custom *_OPTS to daemon e.g:
-XX:PermSize=512m -XX:+UseG1GC -XX:MaxGCPauseMillis=4000 -XX:ParallelGCThreads=20 -XX:ConcGCThreads=5 -XX:InitiatingHeapOccupancyPercent=70
need to be added to HADOOP_NAMENODE_OPTS.The PR adds to templates hadoop-env.sh, hbase-env.sh and hive-env.sh a way to add arbitrary JVM opts to the hadoop client, HDFS client, namenode, datanode, journalnode, YARN resourcemanager, nodemanager, timelineserver, mapred historyserver, HIVE client, hiveserver2 and metastore.
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