[Opensim-dev] Problem with the bots

[Dahlia Trimble]

If you don''t need individual bakes for your test you might consider hacking
the libomv baker to upload pre-baked files instead of making new ones for
each bot.

-d

On Tue, Aug 24, 2010 at 4:54 PM, Lake, Dan <dan.lake at intel.com> wrote:

> In our load testing, we use TestClient from OpenMetaverse which is
> implemented using GridClient. We have contributed several changes in the
> past few weeks related to running a hundred or more bots in a single
> TestClient instance. The main reason we see incomplete appearance is that
> TestClient does not have time to bake each appearance before the appearance
> handshake times out between TestClient and the server. All client threads
> become consumed baking/encoding/decoding image data. They all slow down and
> new baking requests appear to time out.
>
> There are 2 workarounds for this we have used with equal success:
>
> 1. Run fewer than 25 clients per TestClient instance.
> 2. Increase the baking timeouts in TestClient (passed as params to
> GridClient's AppearanceManager) to a large value (10+ minutes).
>
> We routinely run 300-400 bots against a single region using 4 TestClient
> instances with 100 bots each.
> We also run 1000+ bots on our research grid using 40 TestClient instances
> with 25 bots each or 10 instances of 100 each.
> In both of these situations, every avatar appears baked in the viewer.
>
> Dan lake
> Intel Labs
>
> -----Original Message-----
> From: opensim-dev-bounces at lists.berlios.de [mailto:
> opensim-dev-bounces at lists.berlios.de] On Behalf Of Justin Clark-Casey
> Sent: Tuesday, August 24, 2010 4:40 PM
> To: opensim-dev at lists.berlios.de
> Subject: Re: [Opensim-dev] Problem with the bots
>
> On 23/08/10 08:08, it at nii.ac.jp wrote:
> > Hello Everybody,
> >
> > I made some additionnal test using bots (GridClient)(using different
> viewer, different database on Opensim 0.7.0).
> >
> >
> > My observation is this one :
> > When we log a lot of bots (50 for instance), the appearance of the bots
> is not completely loaded for each bot. Some of them are fully loaded, while
> some others have just hair, eye, or just a grey part of skull loaded (or a
> ghost with SL viewer).
> >
> > This problem is occuring on 0.7.0, and didn't existed on 0.6.8
> > Actually, I already talked about that, but, the new fact is that when a
> bon log into the simulation, it is set to the HOME location, and not to its
> previous position into the simulation.
> > Maybe these problem are bound to each others.
> >
> > I wrote this to understand, if somebody could tell me what information is
> stored about each avatars, and where is it stored (for instance the last
> position of the avatar).
> > For instance, where is stored the appearance of the avatar, and when it
> is loaded.
>
> Last and home positions are stored in a table called GridUser.  Appearance
> information effectively comes from the body
> part and clothing entries in an avatar's inventory and the assets that they
> link to.  This is stored in inventoryitems
> (and the assets table, of course).
>
> I've seen problems with appearance with multiple bots on Intel load tests
> as well.  Don't know why this is.
>
> --
> Justin Clark-Casey (justincc)
> http://justincc.org
> http://twitter.com/justincc
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