Frequent pauses in the JVM by the Garbage Collector indicate the heap memory settings are too low.   Please increase the CM -> Cloudera Management Service -> Configuration -> Scope: Service Monitor -> Category: Resource Management -> Java Heap Size of Service Monitor in Bytes and Java Heap Size of Service Monitor in Bytes configuration property values accordingly.   The Service Monitor Requirements documentation chapter has guidance for the values to choose. ... View more

We are facing the same issue with not being able to calculate table stats ( we run several large tables),   is upgrading to impala 2.8 only fix?      we are running cloudera 5.9, will upgrading to impala 2.8 cause any issues?   Would think calculating table stats on large table is a common workflow for most clients.     Is it possible to get a patch of this on  Impala 2.7 ?   Thanks       ... View more

Thanks for the workaround, it did work for the past week in the meantime.     I just upgraded to CDH 5.3.1 and indeed it successfuly fixed the issue for me, so we do not need for this workaround anymore.   Thanks again for the quick fix. Regards, ... View more