Compose op_count alert (MongoDB)

Has anyone received the following message from Compose before? And does anyone have any advice on how to deal with it?

Alert Message

You have 59 queued operations

Alert Description

A queued ops alert is raised when the number of ops waiting to be processed begins to queue up. This will fire when the number of queued ops is greater than 40 for 2 consecutive checks at a 60s interval.

Possible causes for op_count

This is generally caused by high lock and high page faulting. It is more of a symptom of poor performance than a root cause.

What to do

Often times an immediate fix can be to look for long running ops and kill them off. This will buy you some time to figure out the larger problem.