Currently, PCampBot downloads all of the textures for each client it connects with. This makes it a better load tester then it was previously.
Best Regards Teravus On 1/26/09, Dirk Krause <dirk.kra...@pixelpark.com> wrote: > My original point was exactly the one both of you made – there are two > different use cases: > 1) the ability to access a full featured avatar with the ability to walk, > talk, dress etc - like it is now. I didn't want to touch this first, but when > I read Sean Dague analysis (keyword: N^2) from a couple of hours ago, I am > not sure if everything is done from a technical architecture side to achieve > the best performance. > > So my point was rather > 2) that there is a use case for this 'event mode'. But instead of blocking > all attachments and Ruth everyone, I would introduce this mode of what I > called a lightweight agent. > > Being able to create events with a couple of people acting and the majority > of people recepting it, could IMHO be a big advantage over the original SL > limitation that could really make a difference from a strategic standpoint > for OpenSim as a software solution. > > > > Von: opensim-dev-boun...@lists.berlios.de > [mailto:opensim-dev-boun...@lists.berlios.de] Im Auftrag von Chris Hart > Gesendet: Montag, 26. Januar 2009 18:32 > An: opensim-dev@lists.berlios.de > Betreff: Re: [Opensim-dev] weird idea #1: lightweight agent/ spectator > > I certainly don't see 1000 on a single region as remotely possible under > current architecture, not disputing that. I do have to wonder what people > consider as being an event suitable for 1000 people in a single region – > that's a lot of people in not a lot of space (though thinking in three > dimensions might help), but what do you gain from such an event? Chat alone > would be almost overwhelming, and with 95% of attendees not knowing how to > pan the camera most of them would see nothing but the head of the person > infront of them – so I guess if you want to emulate real life, you got it. > > You're right to push the parameters to the extreme, because in the absence of > 1000 friends to test a simultaneous login, we all have to improvise, so if > it's a case of loading up as many avatars as possible with all clothing > layers made with high-res textures, wearing a thousand prims each, etc. then > yes, it's not an entirely unreasonable scale test. > > From: opensim-dev-boun...@lists.berlios.de > [mailto:opensim-dev-boun...@lists.berlios.de] On Behalf Of Nebadon Izumi > Sent: 26 January 2009 17:19 > To: opensim-dev@lists.berlios.de > Subject: Re: [Opensim-dev] weird idea #1: lightweight agent/ spectator > > well i think your sorta missing the point, say i did reduce my avatar login > footprint by 10, that would only mean that if 10 people simulatanously logged > in, which if your talking about 1000 avatars at once is going to happen, it > means that you will get the same results if 10 avatars hit at once, so > honestly even if we reduce the footprint by 90% we still have the same > problem on logins, the biggest problem i see is mass login, when your talking > about getting 1000 avatars into a region for a single event, especially if it > crashes you could be potentially looking at over 100 avatars trying to log in > at the same time, how do we handle this?? if your talking about 1000 avatars > you need to talk about exteme usage case, not just fractional usage. > > Neb > On Mon, Jan 26, 2009 at 10:17 AM, Chris Hart <ch...@codetorque.co.uk> wrote: > If a 1700 prim avatar using every attach point is not a mildly extreme case I > don't know what is! ☺ The same rules apply to OpenSim as it does on SL – > performance and headcount depends on the crowd you get in for an event and > the design of the sim itself. Build a sim with many thousands of highly > textured prims and complex scripts and you might as well just cut down your > ram, step down your processor, and accept defeat. Code optimisation is > nothing without a little care and attention on the part of the sim designer > to make the experience as smooth as possible for attendees. > > Maybe there's a requirement / option to have an "event" mode where you block > all attachments and deny access to inventory items to maximise the number of > visitors if you really want to get 1000 users in a confined space, and > consider using some texture simplification on the regions in question, > configurable for a region server at startup? > > > From: opensim-dev-boun...@lists.berlios.de > [mailto:opensim-dev-boun...@lists.berlios.de] On Behalf Of Nebadon Izumi > Sent: 26 January 2009 17:01 > To: opensim-dev@lists.berlios.de > Subject: Re: [Opensim-dev] weird idea #1: lightweight agent/ spectator > > Minor mistake in my last posting, it should have read (8000 variously texture > prims in the ballpark of about 500+ texures or so). > > and since i am recommenting again, i think its important that when we talk > about 1000 users, we are not talking about 1000 ruths with zero inventory and > not chatting and doing real world things, pcampbot is a horrible > representaion of 1000 like i said before every 1000 pcampbots is probably not > even equal to 20 real world avatars actually doing something with the > simulator. > > Neb > On Mon, Jan 26, 2009 at 9:55 AM, Nebadon Izumi <nebadon2...@gmail.com> wrote: > the only bad thing about bringing up the Pcampbot login test was at the time > pcampbot was not pulling assets down from the scene locally to itself, so > realisticly those 1000 pcampbots were probably generating about the same > amount of login traffic that about 10-20 avatars would have been likely. The > only real solution to this problem will likely be load balancing and many > servers working together to break the 100 avatar limit, the chances that 1 > server will be serving 1000 avatars is completely impossible, i honestly dont > think we can ever optimize it enough for even the fastest servers to deal in > 1000 avatars, though i do hope we can atleast get to around 100 or more. One > test I have done recently that throws a monkey wrench into my thinking about > this, my Region (OKC) Ka which is about 12000 prims and running just over > 1000 scripts, when trying to log into the region with just 1 avatar that is > wearing a 1700 prim avatar that uses every single attach point, i am 100% > unable to log into the sim ever. One other thing to note is that my avatar > has between 11k-12k inventory items and basiclly trying to access any > simulator with more than about 1000 variously textured prims in the ballpark > of about 500+ textures or so (even afer running the predecode-j2k) i am > unable to log in at all. So again if 1 avatar cant access the sim, i > personallly dont see 1000 avatars entering a simulator anytime soon if at > all ever, atleast like I said in the 1 server world, this is probably going > to require some major hardware/pipes to achieve. > > Neb > > No virus found in this incoming message. > > Checked by AVG - http://www.avg.com > Version: 8.0.176 / Virus Database: 270.10.12/1909 - Release Date: 25/01/2009 > 18:13 > > _______________________________________________ > Opensim-dev mailing list > Opensim-dev@lists.berlios.de > https://lists.berlios.de/mailman/listinfo/opensim-dev > > No virus found in this incoming message. > Checked by AVG - http://www.avg.com > Version: 8.0.176 / Virus Database: 270.10.12/1909 - Release Date: 25/01/2009 > 18:13 > _______________________________________________ > Opensim-dev mailing list > Opensim-dev@lists.berlios.de > https://lists.berlios.de/mailman/listinfo/opensim-dev > _______________________________________________ Opensim-dev mailing list Opensim-dev@lists.berlios.de https://lists.berlios.de/mailman/listinfo/opensim-dev
