Thanks@Jay Kumar SenSharma If you keep getting this "NameNode Last Checkpoint" alert then it will be good to check if the NameNode is healthy? Like do you see long GC pause messages in the NameNode logs or any other warning? Was there a heavy load on the system when the scheduled checkpoint was supposed to be happening? ==> No. I have been seeing this problem since day 1 of the setup (A few months so to say). And the system looks stable too. I anyway checked for heap and the setup follows the standard mentioned in the link. The problem is Ambari itself is not doing the checkpoint (Assuming Ambari to do it). I can do it with manual commands successfully. Am I missing anything else here? ... View more