Since I encountered OOME on JobHistoryServer process, I increased HADOOP_JOB_HISTORYSERVER_HEAPSIZE in /usr/hdp/current/hadoop-client/conf/mapred-env.sh. However, it seems dose not work because ambari overwrite the property when I restart JobHistoryServer. How can I set heap size of JobHistoryServer? I use following components. Ambari: 2.1.2 Hadoop: HDP 2.2.6.0-2800 ... View more