Not sure why this comment went all the way to the top. In case you have missed, I am pasting it here again - "Still not very sure if this is what you need, but this might help - In Ambari go to YARN configs -> Advanced yarn-site -> set yarn.resourcemanager.max-completed-applications to 50" ... View more

1- You can always click on the red-pen edit button and manually enter the exact value you want. 2- You can uncheck and ignore the changes recommended by Ambari or accept the changes. To view mapred, tez and hive config properties, make sure you are in the corresponding services tab. ... View more