Hi Nate,
Thanks for ur reply. I have made a job runner which will submit job to job meta-scheduler, which can handle 200 jobs concurrently. So is it safe to set local_job_queue_workers = 200 ??

This instance of Galaxy will be accessed by some 50 users. So can threadpool_workers be set to 50??

Also, When a job is completed it shows the output file into the history window where there is option to save output file. But when job is not successful instead of generating output file, it generates a job error file. How can i place this error file in the place of output file in the history window.

Thanks and Regards
Hari

On Thu, Feb 24, 2011 at 6:43 PM, Nate Coraor <nate@bx.psu.edu> wrote:
hari krishna wrote:
> Hi,
>
>         What is the difference between threadpool_workers and
> local_job_queue_workers*.*

Hi,

threadpool_workers is the number of threads which will be available to
serve web requests.  This means the number of possible concurrent
browser connections, but this value can remain fairly low since most web
transactions are < 1 second.

local_job_queue_workers is the number of tool processes that Galaxy will
start and allow to run at the same time.  For example, if you set this
value to 2 and then submit 3 jobs, the third one will wait for one of
the first two to finish before it will execute.

>  what is the maximum size that i can set local_job_queue_workers value?

There's not really a maximum, but it doesn't make sense to set this much
higher than the number of CPU cores in your server.  I would suggest
setting it to (cores - 1) to ensure the Galaxy process itself always has
a core to run on.

--nate

>
> --
> Thanks & Regards,
> Hari Krishna .M

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--
Thanks & Regards,
Hari Krishna .M