Cloudera Docs

Monitoring Impala coordinators

You can monitor Impala coordinators caching, resource use, such as files handles hit, memory consumption, and more.

  1. In the list of Impala dashboards, click Impala - Coordinator.
  2. Select a name space and pods, and view cache hit status, remote data cache miss bytes, catalog cache hit rate (not shown), file handles hit count, and file handles miss count.
  3. Scroll down to Total Memory Allocation and view memory used, TCMalloc bytes in use, total buffer memory allocated, JVM max heap, JVM heap current usage, and CPU usage.