Hi Clinton,

On Mon, Sep 7, 2015 at 2:23 AM, Clinton Chee <chee@altair.com> wrote:
Dear Galaxy devs / support,

I am trying to understand the following snippet from job_conf.xml (I want to use drmaa v1)
------------
<destination id="pbs_drmaa_orion" runner="drmaa" tags="merc">
            <param id="destination">galaxy@merc</param>
 </destination>
------------


Based on someone's configuration above, I am trying to customize to my system.

I'm trying to understand where/how the parameters are associated?
- tags?

Tags are identifiers used to map tools to destinations. You probably do not need to use them, but if you wanted to have a tool (or the default destination) send jobs to more than one destination (selected at random), tags are used for that. They can also be used for setting job concurrency limits.
 
- destination in param id? is this the queue?  I also checked the DRMAA specification but cannot find any "destination" as a keyword.

I am not sure where this example came from but I don't believe it would work - the "destination" param works with the "pbs" runner, but the pbs runner only works with Torque, as far as I know. The drmaa runner expects params that conform to the DRMAA specification, the most common of which is `nativeSpecification`. If you wanted to set the destination for PBS Pro using the drmaa runner, the param would be:

    <param id="nativeSpecification">-q queue@server_name</param>

- galaxy@merc?   is merc pointing to the hostname, and galaxy the queue name? (I know the instution's cluster is called "merc", but I don't know if the "merc" in the tag is for convenience or is being read as the hostname?

That format is a PBS destination identifier, so `galaxy` is the queue on the PBS server `merc`.
 
Hope this helps, please let us know if this doesn't clear things up.

--nate



I've looked through:
https://wiki.galaxyproject.org/Admin/Config/Performance/ProductionServer
https://wiki.galaxyproject.org/Admin/Config/Performance/Cluster
https://wiki.galaxyproject.org/Admin/Config/Jobs - describes job_conf.xml

but cannot make sense, eg. for "tags" is says "Tags to which this destination belongs."
Eg. "tags="longwalltime,bigcluster""


Do you have more detailed documention on configuration?

Thanks
Clinton


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