On Tue, Mar 05, 2013 at 03:19:29PM +0100, stefano scotti wrote:
> Hi,
> 
> My director allows 5 concurrent jobs, and each job has *Allow Mixed Priority
> * set to yes.
> 
> My aim is that even if a slow job takes a lot of time to finish, there will
> be other 4 job slots to use so that the backup system can still work
> despite of a really really slow job.
> 
> So i can have 4 slow jobs and my system will keep scheduling fast jobs
> anyway.
> 
> Now, the problem is that only jobs with an higher priority will be
> scheduled, lower priority jobs still have to wait even if there are 4 free
> job slots!
> 
> Is it possible to instruct bacula to let lower priority job be scheduled
> not worrying about the priority of current scheduled jobs but only on the
> number of free job slots?
> 
> Thanks.

Hi Stefano,

I don't understand why you're using mixed priorities to begin with as
these have nothing to do with how fast or slow a job runs. You can
simply run all jobs at the same priority and a slow job of a different
priority won't hog your scheduling slots at all. Depending on your
hardware it's usually safe to up the number of concurrent jobs. We
generally use 8-16 concurrent jobs on our bacula directors. 

Cheers, Uwe 


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