[GE users] SGE6 does not backfill

Juha Jäykkä juhaj at iki.fi
Wed Apr 13 10:14:24 BST 2005

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> Well, would be nice, if you could verify the fix. To test it, you would
> need to update all binaries. u3 will not work together with u4. The database did
> not change.

Well... it looks like backfilling works; at least short serial jobs go
right through the queue if there is only one big parallel job waiting for
execution and a suitably long job being run, which prevent the execution
of the big parallel job. Furthermore, if the serial job in the queue
requests too much h_rt, qstat shows

(-l h_rt=36600) cannot run in queue instance "all.q at compute-0-8.local" because it offers only qc:slots=0.000000

for all queues the big job reserves. This is very nice.

Another problem surfaced, though: 

The parallel jobs NEVER run! They transfer to the exec hosts fine (go from
state "qw" to state "t"), but the vanish without leaving a trace ANYWHERE!
I can never see them in state "r". What's up here? Is some change in my
config required?

		| Juha Jäykkä, juolja at utu.fi			|
		| home: http://www.utu.fi/~juolja/		|

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