Re: [Condor-users] Concurrency Limit Error in Dedicated Scheduler

[Matthew Farrellee <matt@xxxxxxxxxx>]

zhaokun wrote:
> Hi all, 
> 
> 	My test Pool: 1 Dedicated Schedd,2 Startd
> 	I set a concurrency limit in Negotiator Config "license1_LIMIT=2".
> 	Then I submit 3 parallel jobs, each job requests 2 slots "machine_count = 2":
> 		first: concurrency_limits=license1:3
> 		second: concurrency_limits=license1:2
> 		third: concurrency_limits=license1:3
> 
> 	First job could not run  because the concurrency limits exceed,and I removed first job from schedd,the second job started to run,but after the 2nd job completed,the 3rd job started running !!!.
> 	When setting NEGOTIATOR_DEBUG to D_FULLDEBUG, I found sth wrong in logs, after 2nd job completed ,the SCHEDD would not communicate with NEGOTIATOR, and concurrency limits of jobs could not be checked.
> 
> 	Is it a bug?

Sounds like it. The dedicated scheduler is probably inappropriately
re-using a claim.

When this happened did the third job run on the same exec node as the
second job, and without going back to the negotiator?

Best,


matt