[GE users] Calendar et h_rt limit

Reuti reuti at staff.uni-marburg.de
Fri Aug 27 14:17:23 BST 2004


> "The scheduler does not look ahead to consider queue calendar state 
> transitions. As a result, it can happen that jobs get dispatched to 
> queues that soon become unavailable due to a suspended or disabled 
> calendar." (SGE release notes)
> Does someone have a trick to pass this behaviour ?

are you suspending only some of the queues with a calendar? Then you 
could first use a different seqno for the queues/nodes and select sort 
by seqno in the scheduler. The idea is to select the queues/nodes which 
might be disabled at least.

Another idea might be to have 2 hours (or whatever you prefer) of 
"disabled" before you switch to "suspended" for a queue/node.

Cheers - Reuti

PS: If a queue becomes "disabled" while having already a job inside, 
this will not affect the job. Maybe the release note should destinguish 
these two states.

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