This is very close to our config, except -
We run all of this on a 4 core Virtual Machine running SUSE Linux Enterprise
Server 11 (x86_64) with 16 GB of memory.

Instead of SGE our HPC cluster uses Torque/Moab for scheduling.

Also, we've set up a separate IO Node for upload of data files from the file
system and FTP (correct me if I mis-spoke Glen).

Also, instead of apache we run nginx for our httpd server as it was easy to
get off-loading of file upload and download working with that server.

We're not seeing a heavy load from users at this point, but this has worked
pretty well for us so far.

Hope this helps,

Dave


On 4/8/11 10:21 AM, "Assaf Gordon" <gor...@cshl.edu> wrote:

> Assaf Gordon wrote, On 04/08/2011 10:07 AM:
>> Processes:
>> 
>> The servers processes that you should plan for are:
>> 1 galaxy process for job-runner
>> 2 or 3 galaxy processes for web-fronts
>> 1 process of postgres
>> 1 process of apache
>> optionally 1 process of galaxy-reports
>> you'll also want to leave some free CPUs for SSH access, CRON jobs and other
>> peripherals.
>> Postgres & apache are multithreaded, but it usually balances out with light
>> load on the web/DB front from galaxy (even with 30 users).
>> So all in all, I'd recommend reserving 5 to 8 CPU cores to just galaxy and
>> daemons (reserving means: never using those cores for galaxy jobs).
>> You can do with less cores, but then response times might suffer (and it's
>> annoying when you click "show saved histories" and the page takes 20 seconds
>> to load...).
>> 
> Forgot to mention SGE/PBS: you definitely want to use them (even if you're
> using a single machine),
> because the local job runner doesn't take into account multi-threaded programs
> when scheduling jobs.
> So another core is needed for the SGE scheduler daemons (sge_qmaster and
> sge_execd).
> 
> 
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