Hi @JiHoone  I think all your jobs that is running is allocated only the AM resources. Do one thing first set the "Configured Max AM limit" to 20%. Then set the Minimum user limit percent to 25% and run your jobs. Set user limit factor as 0.5. ... View more

hi @AyazHussain  since the problem is old, I don't remember what was done to fix it. if the problem returns, I will test. thanks! ... View more

The application ask for container run some part in that container and then release it back. So the 28 vcores that you are seeing is due to that. Let's say your job asks for 4 containers and eack with 7 vcores so at first only two containers will run as you have limit of 15 vcores. but if one container is released then that job will take another container with 7 vcores so in total now the number of vcores used is 21. ... View more