There are currently two problems from Grid Engine:
- There seems no way for getting the desired NOW behavior (at least in this section the *optional* NOW keyword is not defined)
  for an GE specific enhancement, without breaking compatibility 
-  In GE there is no currently no sliding windows support for the SET/SET/SET in case of duration is shorter than endTime-startTime
   (GE DRMAA implementation have then a similar problem then the other DRM which do not support NOW as startTime)

Following suggestions for this section (5.6.2):

- Add the *optional* "NOW" constant -> if an implementation does not 
  support it, it is treated like UNSET (InvalidAttributeException)
- If startTime, endTime and duration is set and duration is shorter than endTime-startTime, the 
  sliding windows approach (take "the earliest point in time") could made optional.
  That means: take startTime and duration or *optionally* search the earliest point in 
   time.

I know we discussed it more than once, but having these options would make it 
much easier to get a compatible implementation.

Cheers,

Daniel



Am 27.04.2011 um 23:46 schrieb Peter Tröger:

Line 751 - Reservation without time frame
- Makes no sense, since it might be way too short for the user
-> raise invalid argument exception on UNSET/UNSET/UNSET
- add rationale why startTime=UNSET is not equal to startTime=NOW
  - handy concept supported by some, but not all DRM systems
  - Emulation in the DRMAA library is not a valid option, since this
would lead to situations were the reservation already arrives 'too late'
in the DRM system

Best regards,
Peter.


Am 27.04.11 00:57, schrieb Peter Tröger:
Dear all,

the next DRMAA conf call is scheduled for Apr 27th, 19:00 UTC. We meet
on Skype, please find me under my user name "potsdam_pit".

Preliminary meeting agenda:

1. Meeting secretary for this meeting?
2. Solving remaining issues in DRMAAv2 Draft 3 (see attachment, starting
from page 18)

Sorry, I didn't had the time to prepare a new draft.

Best regards,
Peter.




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