Job Waiting too long

We see randomly jobs take a very long time to finish. When I look at the job profile, the actual running time is 1sec but the waiting time is 2 hours… Can you help me to find the reason behind it?

Attached please find the job profile downloaded. (15.8 KB)

In the jobs page, can your filter to the time period of one of the slow jobs and see how many other jobs were running at the time? Dremio has basic queues and in Admin - Advanced Settings you can control the queue sizes.