[Opensim-dev] Memory cache

[diva at metaverseink.com]

I noticed we have GlynnTucker.Cache.dll in the distribution, and this 
wasn't being used. I have no idea what the story is, but since it's 
there, I did one alternative cache module implementation using it, just 
to see what happens. Since everything is modularized now, replacing the 
asset cache implementation is as simple as editing your XXXCommon.ini 
and changing the name:

;AssetCaching = "CoreAssetCache"
AssetCaching = "GlynnTuckerAssetCache"

I would still urge that someone figures out what's wrong with 
OpenSim/Framework/Cache.cs, which is the one used in CoreAssetCache.

The GlynnTuckerAssetCache has been tried in the UCI Grid and in some 
sims in OSGrid and at least it's not being an anti-cache. Let's wait a 
few more days to see if it's being a real cache; if so we should see 
declines on the traffic to the asset servers :-)

Arthur Valadares wrote:
> If we ran a profiling with this cache maybe we could see where the 
> bottle neck is, couldn't we?
> 
> Mono has simple statistical profiler that shouldn't be too intruding:
> 
> $ mono --profile=default:stat program.exe
> 
> If anyone who saw this performance loss could test this, would be 
> interesting to see where it's spending all this extra time.
> 
> On Tue, 2009-05-26 at 10:57 -0700, diva at metaverseink.com wrote:
>> Just a quick note to inform everyone that word from osgrid folks 
>> indicates that the asset cache is still borked and still a mystery. When 
>> it is on, CPU usage spikes to unsustainable values (150% with 4 avies in 
>> WP).
>>
>> If anyone cares to take a look at it / replace it with something else, 
>> please do.
>>
>> OpenSim/Framework/Cache.cs
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