Hi @rguruvannagari    Thanks for alot  for the reply , not sure if heap space is filled  during compaction or ranger hive audit if we set  hive authentication to none then it is ok , please see the following issue.   https://community.cloudera.com/t5/Support-Questions/hive-metastore-is-not-responding-but-alive-with-the/m-p/282224   Thanks  Nag ... View more