[GE users] Restart job on suspend

Alexandre Barras Alexandre.Barras at cerfacs.fr
Tue Aug 10 15:37:15 BST 2004


In fact, my jobs doesn't stop at all when I suspend them (with or 
without suspension method)
They go on running

It seems to be the issue ...

Alexandre Barras wrote:

> I have defined my own suspend method but apparently SGE doesn't launch 
> it on a job suspension !?
>
> did you personaly tried to write a suspend method ? does it work?
>
> Reuti wrote:
>
>>>But, when a job is suspended, it didn't use CPU time anymore, but it 
>>>remains in memory, doesn't it ?
>>>Some jobs can use a lot of RAM and if they didn't restore it back during 
>>>their suspension, it can be inconvenient for users.
>>>    
>>>
>>
>>Ohh, I see. Over time they should get swapped to the swap-space I think, but 
>>the memory consumption for SGE is of  course still allocated. Although it's not 
>>a hard limit, you could introduce a complex like night_memory and day_memory, 
>>to avoid oversubscription during each time period.
>>
>>Otherwise you could really write a suspend method with the two commands I 
>>suggested first (you don't need the qrls - sorry). Put the absolute path to the 
>>script (beginning with /) into suspend_method together with $job_id, and you 
>>can use $1 in the script. (man queue_conf)
>>
>>Reuti
>>
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>>
>>
>>  
>>
>
>-- 
>             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>	     Alexandre Barras - Computing Support Group
>        CERFACS, 42 Av. Coriolis, F-31057 TOULOUSE Cedex 1, FRANCE
>        Tel.: (+33) [0]5 61 19 30 75   Fax: (+33) [0]5 61 19 30 00
>
>             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
>  
>

-- 
             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
	     Alexandre Barras - Computing Support Group
        CERFACS, 42 Av. Coriolis, F-31057 TOULOUSE Cedex 1, FRANCE
        Tel.: (+33) [0]5 61 19 30 75   Fax: (+33) [0]5 61 19 30 00

             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~





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