[Pgi-wg] EPR issue and approach using WS-Enumeration

[Morris Riedel]

Thanks - I will have a look...

------------------------------------------------------------
Morris Riedel
SW - Engineer
Distributed Systems and Grid Computing Division
Jülich Supercomputing Centre (JSC)
Forschungszentrum Juelich
Wilhelm-Johnen-Str. 1
D - 52425 Juelich
Germany

Email: m.riedel at fz-juelich.de
Info: http://www.fz-juelich.de/jsc/JSCPeople/riedel
Phone: +49 2461 61 - 3651
Fax: +49 2461 61 - 6656

Skype: MorrisRiedel

"We work to better ourselves, and the rest of humanity"

Sitz der Gesellschaft: Jülich
Eingetragen im Handelsregister des Amtsgerichts Düren Nr. HR B 3498
Vorsitzende des Aufsichtsrats: MinDirig'in Bärbel Brumme-Bothe
Vorstand: Prof. Dr. Achim Bachem (Vorsitzender), 
Dr. Ulrich Krafft (stellv. Vorsitzender)


>------Original Message-----
>-From: Andrew Grimshaw [mailto:grimshaw at virginia.edu]
>-Sent: Wednesday, April 08, 2009 6:13 PM
>-To: 'Morris Riedel'; pgi-wg at ogf.org
>-Subject: RE: [Pgi-wg] EPR issue and approach using WS-Enumeration
>-
>-This problem turned up early in RNS. We looked into WS-Enum and made a
>-different choice (along with RNS). I am attaching a document that
describes why we
>-chose to go with a statefull iterator rather than enumeration,as well as
all of the
>-related documents.
>-A
>-
>-> -----Original Message-----
>-> From: pgi-wg-bounces at ogf.org [mailto:pgi-wg-bounces at ogf.org] On Behalf
>-> Of Morris Riedel
>-> Sent: Wednesday, April 08, 2009 11:32 AM
>-> To: pgi-wg at ogf.org
>-> Subject: [Pgi-wg] EPR issue and approach using WS-Enumeration
>->
>-> Hi PGI team,
>->
>->   is there any experience by the members of using WS-Enumeration for
>-> tackling with the emerging 'EPR pile' in the endpoint?
>-> (WS-Enumeration is like separate google hits pages)
>->
>-> I took a similar approach with Usage Records in OGF RUS a while ago
>-> since this problem is nearly the same as ours -  having scalability
problems.
>->
>->
>-> I think this is a problem where each middleware has a limit currently,
>-> looking especially on emerging many task computing jobs (running
>-> rather short - but many (potentially different) of them).
>->
>-> (1)
>-> Submitting 100.000 jobs and two fail. Both have to have a JSDL for
>-> resubmit
>-> - but this means you have typically 100.000 instances/EPRs tracked in
>-> the container...
>->
>-> (2)
>-> Submitting 100.000 jobs and two fail using bulk submission or
>-> something like that with only one JSDL - you have difficulties to get
>-> the job description of these two.
>->
>->
>-> Maybe there is already someone having experience with WS-Enumeration
>-> in this context here in the PGI space?
>->
>-> Thanks,
>-> Morris
>->
>->
>->
>-> ------------------------------------------------------------
>-> Morris Riedel
>-> SW - Engineer
>-> Distributed Systems and Grid Computing Division Jülich Supercomputing
>-> Centre (JSC) Forschungszentrum Juelich Wilhelm-Johnen-Str. 1 D - 52425
>-> Juelich Germany
>->
>-> Email: m.riedel at fz-juelich.de
>-> Info: http://www.fz-juelich.de/jsc/JSCPeople/riedel
>-> Phone: +49 2461 61 - 3651
>-> Fax: +49 2461 61 - 6656
>->
>-> Skype: MorrisRiedel
>->
>-> "We work to better ourselves, and the rest of humanity"
>->
>-> Sitz der Gesellschaft: Jülich
>-> Eingetragen im Handelsregister des Amtsgerichts Düren Nr. HR B 3498
>-> Vorsitzende des Aufsichtsrats: MinDirig'in Bärbel Brumme-Bothe
>-> Vorstand: Prof. Dr. Achim Bachem (Vorsitzender), Dr. Ulrich Krafft
>-> (stellv. Vorsitzender)
>->

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