Hi, This is one of our frequent challenges.  What is the difference between: Session Count from the ImpalaD UI      And  netstat -an | grep ESTABLISHED | grep 21050 | nl The counts from netstat matches the "Active Frontend API connection" chart, but not the Session Count from the ImpalaD UI. If that's the case does 'idle session timeout' still apply?  Scratching my head here since I always thought Sessions as per ImpalaD UI indicated the culprit involved. 😞   ... View more