[GE users] Memory reservation

Michael Green mishagreen at gmail.com
Wed Jan 18 11:13:50 GMT 2006


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On 12/15/05, Andreas Haas <Andreas.Haas at sun.com> wrote:
> You need to decide how you wish your memory resource be managed
>
>    (1) You can use only a memory consumable
>    (2) You can use only a memory load value
>    (3) You can use a combination of memory load value and memory consumable
>
> if you use -l h_vmem as I recommended you have model (1) only. For purposes of
> RR that is sufficient, if any noteworthy workload is under control of Grid
> Engine.
>
> If this is not the case, then you need to use model (3). For this you need a
> "h_vmem" load value in addition to the "h_vmem" consumable. That can be achieved
> by configuring a memory load sensor e.g. based on Grid Engine
> utilbin/lx24-x86/loadcheck binary. If you want to pursue this you need to decide
> which type of memory should become base of "h_vmem" load value.


I understand, however for the purpose of load value, cannot I just use
mem_free which is already configured and works?
bioinfo4:~ # qstat -F | grep mem_free | head -n 4
        hl:mem_free=572.523M
        hl:mem_free=396.406M
        hl:mem_free=296.379M
        hl:mem_free=381.293M


> there are three of them which might make sense:
>
>    > $SGE_ROOT/utilbin/sol-sparc64/loadcheck | grep _free
>    mem_free        690.000000M
>    swap_free       9930.000000M
>    virtual_free    10620.000000M
>
> Hope this helps.

Yes it does, thanks!

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