Hi @yo_leo  As per document, it is mentioned that you should have at most 50 executors per coordinator. Which is the recommended maximum value. However this may vary as per the workload and complexity of the queries executed in Impala https://impala.apache.org/docs/build/asf-site-html/topics/impala_scaling_limits.html https://impala.apache.org/docs/build/asf-site-html/topics/impala_dedicated_coordinator.html   ... View more