[Opensim-dev] Question about Threads Use in OpenSim ...

[Stefan Andersson]

What's the current status on the thread issues? Are we looking into it? Have we identified consumers/culprits?
 
Best,
/Stefan



> From: ursula.matova at klintcentral.net> To: opensim-dev at lists.berlios.de> Date: Sun, 17 Feb 2008 11:09:27 +0100> Subject: [Opensim-dev] Question about Threads Use in OpenSim ...> > Hi all,> > First, please be indulgent about my poor english :) You all know how > french people are bad with foreign languages ...> Thanks in advance.> > Well, I'm running OpenSim in StandAlone mode, 3x3 Regions ( as Grid > mode is so difficult to configure behind a firewall ) ...> Using a home made "Linux From Scratch" box with Mono 1.2.6 ( daily > snapshot ) ...> The computer is an Athlon64X2 4400+ with 4GB Ram ... ( is it large > enough ? )> > In the past ( before SVN.3335 or something ) when running OpenSim, > just after the simulator goes Up, the OpenSim.exe process use around > 96 threads and everything works fine,> But, now, I saw that this number of threads reach 118 :(> As I posted in the past in Mantis that Mono under Linux is really bad > ( performances & coredump ) when you reach the limit of 170 threads ...> > When I connect 1 user to the sim : Thread count is now reaching : 157> When I connect a 2nd user to the sim : Thread count reach : 200> ( in that case : 200 threads used, the sim doesn't crash like in the > past but I find everything slow ... and my CPU is now 100% use / 7% > Ram used )> > Then, that mean, each time a user is connecting to the Sim, it use > about 40 threads ...> So, if I like to connect 20 users, I need around 40x20 threads = 800 > threads ...> And I'm not sure at all that Mono could manage that :(> > What's you're feeling on that point ?> > So, my question is : why not forking a new "OpenSim.exe" process for > each new connected user ?> Of course it's mostly for the standalone mode ( but the problem is a > bit the same in Grid Mode ) ...> > Maybe it's a simple/stupid idea from me, because I haven't enough > development skills to help all the people working hard to bring up > this marvelous simulator.> > Please, just let me know your position about it.> > Thanks a lot guys for all your dev,> > Regards,> > Ursula Matova> ( Of course this is my S/L Avatar Name :) )> > > _______________________________________________> Opensim-dev mailing list> Opensim-dev at lists.berlios.de> https://lists.berlios.de/mailman/listinfo/opensim-dev
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