Hi All, I found the Heap size of Datanode Role of my NameNode was low (1 GB) hence increased it to 3GB and hprof files are now not getting generated. I changed the heap dump path back to /tmp to verify for 24 hours ago to verify. HDFS > configuration > DataNode DefaultGroup > Resource Management > Java Heap Size of DataNode in Bytes in Cloudera Manager. Thanks, Shilpa
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