Re: [gridsam-discuss] GridSAM-Discuss post from pawel.sztromwasser@ii.uib.no requires approval

[Justin B. <jb...@ec...>]

Hi Pawel,

The in-memory database is loaded quiet heavily.  Its memory footprint is more related to the overall throughput on the server rather than the number of concurrent jobs.
However saying this, there has been some work to improve its utilisation since 2.1.4, the upgrading of the Quartz libraries for one.
I would recommend the use of a MySQL database in place of the inbuilt database for a production system.

In terms of loading GridSAM with 100+ PBS jobs via the web services interface, this should be fine - given moderate server resources.  Again, improvements have been made since 2.1.4.

So if you are seeing problems, I suggest you upgrade to 2.1.9.  If you need help with this just let me know.

The changes between versions are detailed here
http://gridsam.svn.sourceforge.net/viewvc/gridsam/trunk/GridSAM-2.1.x-Change-Log.txt?revision=531

Regards,
	Justin

On 22 Mar 2010, at 10:24, gri...@li... wrote:

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>    List:    Gri...@li...
>    From:    paw...@ii...
>    Subject: GridSAM's default database and limitations
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> From: Paweł Sztromwasser <paw...@ii...>
> Date: 22 March 2010 10:08:35 GMT
> To: gri...@li...
> Subject: GridSAM's default database and limitations
> 
> 
> Hi,
> 
> I am using the default built-in database of GridSAM (2.1.4). Is it completely stored in memory, or only the currently used entities are? How heavy is it in terms of memory use? Can running multiple jobs concurrently result in high memory use?
> 
> And second question: would you expect any performance problems when using GridSAM's web service interface to run and trace ~100 jobs on PBS?
> 
> Thanks in advance,
> Pawel Sztromwasser
> <pawel_sztromwasser.vcf>
> 
> 
> From: gri...@li...
> Subject: confirm 55c8e994d1f123029f098a29a91a4af48615a22b
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--
Justin Bradley
Software Engineer
j.b...@om...
OMII-UK
Bay 23, 4067, B32
University of Southampton