As a temporary fix you can use linux command swapoff -a && swapon -a to move swap. Just make sure you have enough free memory to move swap to (top command) ... View more

Any luck on the solution?  ... View more

So this begs the question how does Cloudera Manager produce the following chart: any reasson we cant use the SQL:   select query_duration from DEFAULT.IMPALA_QUERIES where serviceName="impala" and (stats_missing=true or stats_corrupt=true)   ?? ... View more

@Vitali1,     If you have "Dump Heap When Out of Memory" enabled, a heap dump will be generated if the process runs out of heap. The files generated can be deleted as they are only for debugging purposes.  Navigator does not require them.   That said, you can if you are running out of  heap, increasing the heap size is likely a good first try to resolve that issue.   -Ben ... View more