[Opensim-dev] Phantom Meshes bugfix

[Shaun T. Erickson]

I also set the threads to 2048 and don't let my cache expire. About the 
only time I have a problem with phantom meshes is on those rare 
occasions I nuke the cache, and then a second restart of the region 
clears everything up.

On 6/2/15 5:12 PM, Paola Cerioli wrote:
> Wow. Problem solved. I was using MONO_THREADS_PER_CPU=2048, but
> somehow the cache needed to be rebuilt. Everything works great now.
> Thank you so much for helping me.
> Paola
>
>
> On Tue, Jun 2, 2015 at 12:56 PM, Dahlia Trimble <dahliatrimble at gmail.com> wrote:
>> When a sim starts up, it tries to fetch all the mesh assets so it can
>> construct colliders for any that need them. Usually many of these assets are
>> in the region asset cache and the sim can pull them from there rather
>> quickly. If they don't exist in the cache for whatever reason (new region,
>> cache expiration, etc.), they must be fetched from the asset server. If the
>> asset server is slowed by many requests or the sim tries to make too many
>> requests at once, some will time out and the asset will not be available and
>> the sim will not make a collider for them. The result is a phantom object.
>> Two things can help: if you are using mono make sure you set the
>> MONO_THREADS_PER_CPU environment variable to a reasonably high number which
>> will increase the number of concurrent requests; I use the following to
>> invoke OpenSIm:
>>
>> env MONO_THREADS_PER_CPU=2048; mono --server OpenSim.exe
>>
>> and the following to invoke Robust:
>>
>> env MONO_THREADS_PER_CPU=2048; mono --server Robust.exe
>>
>> Also you can populate your region cache with the following OpenSim console
>> command:
>>
>> fcache assets
>>
>> Restart your region after doing this and hopefully it will help with your
>> problem.
>>
>> You may also consider setting your flotsam cache expiration to never expire,
>> especially if the region doesn't get much traffic and is seldom restarted.
>>
>> On Tue, Jun 2, 2015 at 11:03 AM, Paola Cerioli <pcerioli at gmail.com> wrote:
>>> Hello!
>>>
>>> I upgraded OpenSim from 0.7.6 to 0.8.1 running on Ubuntu 14.04/Mono
>>> 3.10. I kept ODE physics for the time being, but with BulletSIM the
>>> issues are similar.
>>> I created a staging environment and copied the MySQL database from
>>> production to staging.
>>> When I start the regions, mostly all mesh objects are rezzed with
>>> wrong phantom settings.
>>> They are phantom when they are not supposed to be phantom.
>>> If I manually set phantom on/off with the viewer for each item, that
>>> will fix it, but it is a lot of work.
>>> I tried the 'fix-phantoms' from the opensim console, but it doesn't
>>> work from me.
>>> I looked at the code for the fix-phantoms, and this is what it does
>>> for each scene:
>>>
>>> s.ForEachSOG(so => so.AbsolutePosition = so.AbsolutePosition);
>>>
>>> Is this supposed to work in my use case as well?
>>> Any suggestion on how to fix phantoms overall?
>>>
>>> Thank you in advance.
>>> Paola
>>> _______________________________________________
>>> Opensim-dev mailing list
>>> Opensim-dev at opensimulator.org
>>> http://opensimulator.org/cgi-bin/mailman/listinfo/opensim-dev
>>
>>
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>
>