[Opensim-dev] Performance issue :S
Bulli
avdleeuw at gmail.com
Wed Aug 27 06:55:30 UTC 2008
Also,
* Are you running all regions in 1 sim? (Is that even possible?)
* Which processes are the CPU consumers? (There might be just one runaway
process?)
Bulli
On Wed, Aug 27, 2008 at 8:17 AM, Dahlia Trimble <dahliatrimble at gmail.com>wrote:
> If that was your goal then the information you learned may be helpful to
> us. Could you describe your setup in greater detail? Some things that may
> affect the outcome would be:
>
> * how many scripts were running in each region
> * which physics engine you were using
> * which meshing option you were using
> * how complex the prims were, i.e., were they simple boxes or spheres, or
> were they more complex prims such as torii, rings, or tubes with twists,
> hollows and profile cuts?
> * anything else that you've noticed has an effect on cpu or memory
> utilization
>
> Thanks,
> -D
>
>
> On Tue, Aug 26, 2008 at 10:06 PM, Ursula MATOVA <
> ursula.matova at klintcentral.net> wrote:
>
>> Dahlia,
>> Yes I know,
>>
>> These 25 Resions run very very fine without prims ( less than 3%CPU )
>>
>> My goal was to test this limit . because it's never a solution to simply
>> increase RAM / Cores, ...
>>
>> :)
>>
>> Le 27 août 08 à 01:16, Dahlia Trimble a écrit :
>>
>> You're running 25 regions, each with 1500 prims, on a single CPU with 1 GB
>> ram? If so, then I'd say you are definitely pushing against the limits of
>> your hardware.
>>
>> On Tue, Aug 26, 2008 at 3:14 PM, Ursula MATOVA <
>> ursula.matova at klintcentral.net> wrote:
>>
>>> Well,
>>>
>>> Nobody ??
>>>
>>> What about performances on "official" grids such as OSGrid ?
>>> Sure you run a most powerful server to host all your regions,
>>> but, mine has only 25 Regions, about 1500 prims / Regions ...
>>> ... no scripts runnning ...
>>>
>>> And, even in SVN.5992 ...
>>> Still have performance issues ( see below ) ...
>>>
>>> Well, even if my server hasn't the good sizing ( CPU/RAM ) ... It's a
>>> goos stress test ... Only 37500 prims on the database.
>>>
>>> One solution is to get a new server, most powerful ...
>>> Second one is to investigate why, without any user logged, and fresh
>>> UGAIR startup, I encounter 95%CPU.
>>>
>>> Regards,
>>>
>>> Sorry for the noise, ( ans sorry for my poor english )
>>>
>>> Ursula.
>>>
>>>
>>> Le 25 août 08 à 08:19, Ursula MATOVA a écrit :
>>>
>>> > Hi All,
>>> >
>>> > Just a very quick message.
>>> >
>>> > I have loaded my Regions with about 1500prims on Each.
>>> >
>>> > Everything runs ok except my CPU LOAD is over 90% :
>>> >
>>> > TIME CPU %user %nice %system %iowait %steal
>>> > %idle
>>> > 02:05:01 all 94,88 0,00 0,92 0,02
>>> > 0,00 4,18
>>> > 02:15:01 all 94,80 0,00 0,84 0,00
>>> > 0,00 4,36
>>> > 02:25:02 all 94,40 0,00 0,84 0,00
>>> > 0,00 4,76
>>> > 02:35:02 all 94,98 0,00 0,82 0,00
>>> > 0,00 4,19
>>> > 02:45:01 all 94,62 0,00 0,80 0,00
>>> > 0,00 4,57
>>> > 02:55:02 all 94,64 0,00 0,84 0,00
>>> > 0,00 4,52
>>> > 03:05:01 all 94,80 0,00 0,83 0,00
>>> > 0,00 4,38
>>> > 03:15:01 all 94,31 0,00 0,86 0,00
>>> > 0,00 4,83
>>> > 03:25:01 all 94,96 0,00 0,81 0,00
>>> > 0,00 4,23
>>> > 03:35:01 all 94,18 0,00 0,85 0,00
>>> > 0,00 4,97
>>> > 03:45:02 all 94,84 0,00 0,81 0,00
>>> > 0,00 4,35
>>> > 03:55:01 all 94,57 0,00 0,82 0,00
>>> > 0,00 4,61
>>> > 04:05:01 all 94,56 0,00 0,81 0,00
>>> > 0,00 4,63
>>> > 04:15:01 all 94,60 0,00 0,82 0,00
>>> > 0,00 4,57
>>> > 04:25:01 all 94,39 0,00 0,84 0,00
>>> > 0,00 4,77
>>> > 04:35:02 all 94,91 0,00 0,83 0,00
>>> > 0,00 4,26
>>> > 04:45:02 all 94,72 0,00 0,78 0,00
>>> > 0,00 4,50
>>> > 04:55:01 all 94,59 0,00 0,87 0,00
>>> > 0,00 4,54
>>> > 05:05:01 all 94,47 0,00 0,82 0,00
>>> > 0,00 4,72
>>> > 05:15:02 all 94,49 0,00 0,83 0,00
>>> > 0,00 4,68
>>> > 05:25:01 all 94,52 0,00 0,81 0,00
>>> > 0,00 4,67
>>> > 05:35:01 all 94,70 0,00 0,83 0,00
>>> > 0,00 4,48
>>> > 05:45:01 all 94,28 0,00 0,87 0,00
>>> > 0,00 4,86
>>> > 05:55:01 all 94,52 0,00 0,85 0,00
>>> > 0,00 4,64
>>> > 06:05:01 all 94,76 0,00 0,84 0,00
>>> > 0,00 4,40
>>> > 06:15:01 all 94,48 0,00 0,88 0,00
>>> > 0,00 4,64
>>> > 06:25:01 all 94,85 0,00 0,82 0,00
>>> > 0,00 4,34
>>> > 06:35:01 all 94,55 0,00 0,88 0,01
>>> > 0,00 4,56
>>> > 06:45:01 all 95,06 0,00 1,18 0,05
>>> > 0,00 3,72
>>> > 06:55:01 all 95,83 0,00 1,08 0,00
>>> > 0,00 3,09
>>> > 07:05:02 all 94,46 0,00 0,87 0,00
>>> > 0,00 4,66
>>> > 07:15:01 all 94,83 0,00 0,85 0,00
>>> > 0,00 4,32
>>> > 07:25:01 all 94,14 0,00 0,87 0,00
>>> > 0,00 4,99
>>> > 07:35:01 all 94,83 0,00 0,83 0,00
>>> > 0,00 4,35
>>> > 07:45:01 all 94,86 0,00 0,78 0,02
>>> > 0,00 4,34
>>> > 07:55:02 all 94,38 0,00 0,90 0,00
>>> > 0,00 4,72
>>> >
>>> > I run OpenSim in Grid mode, SVN.5969, on Linux 32bits Ubuntu 8.0.4TLS.
>>> > The server is based on a "Via C7/2GHz" CPU with 1GB RAM.
>>> > The Grid has 25 Regions.
>>> >
>>> > Before I encountered this problem ( previous SVN releases ), the only
>>> > difference is the number of prims ( Globaly : 37500 prims ).
>>> >
>>> > Are you experiencing the same ?
>>> >
>>> > I'll make some more tests tonight ( time to go to work :D )
>>> >
>>> > Regards,
>>> > Ursula.
>>> >
>>> >
>>> > _______________________________________________
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>>> > Opensim-dev at lists.berlios.de
>>> > https://lists.berlios.de/mailman/listinfo/opensim-dev
>>> >
>>>
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