Created attachment 924196 [details]
Description of problem:
Multiple threads are blocking on IrsBrokerCommand for almost 20 minutes.
Version-Release number of selected component (if applicable):
Run the engine with 200 hosts on a FakeVDSM
Steps to Reproduce:
Threads blocking for a long time (see thread dump enclosed)
No threads blocking
This was found during experimentation after modification of the code.