[Opensim-users] Standalone configuration questions

[M.E. Verhagen]

You could try the ode lib at the bottom of
http://opensimulator.org/mantis/view.php?id=3251, when you are lucky this
will fix the ode crash.

And update to ubuntu 10.10 Oneiric, this will give you an updated mono
version. This will reduce the cpu load dramaticly.

And update your opensim to the 0.7.2 stable version.

The max users wich can be simultaniously on your depends on a lot things,
on of the limiting factors will probably be your upload bandwidth
(expecially when you have large textures or large meshes on your sims),
your router, the Ubuntu server (you are not using the ubuntu desktop are
you ?) configuration. Splitting up the opensim server and the mysql server
on different dedicated servers will give the best performance.

The opensim config files are also important. Trying out various
configurations can make a big difference.

Op vrijdag 2 december 2011 schreef Peter Blair (kyfa.blair at gmail.com) het
volgende:
> Hi OpenSim Users and Justin Clark-Casey,
>
> My name is Peter Blair and I’m running a standalone grid on a high end
> machine with Core i7 2600 K with 16 gig of RAM with OpenSim 0.7.2 rc 2
> on Ubuntu 11.04. At 20 users the sim crashes. We have four regions
> running on a single standalone server. The server hardware doesn’t
> seem to be fully utilized. When it crashes the server process seems to
> be using 150% CPU (out of 800% possible) and 4% memory.
>
> The users were all using university lab computers with T1 connections
> and the Imprudence client viewer 1.3.2 stable version.
>
> Is there a configuration change we can make to allow our standalone to
> handle more users or is 20 generally the max for standalone? Can grid
> mode handle more users reliably?
>
> We’ve included the snippet from the crash log.
>
>
> Thanks very much for your help.
>
> Peter Blair
>
>
> 15:56:33 - [LLOGIN SERVICE]: Login failed, reason: user not found
> 15:56:33 - [AVFACTORY]: received texture update for
> cb344875-043c-4375-8673-207498e86273
> 15:56:33 - [AVFACTORY]: Completed texture check for
> cb344875-043c-4375-8673-207498e86273
> Region (root) # Stacktrace:
>
>
> Native stacktrace:
>
>        mono() [0x489171]
>        mono() [0x4d154f]
>        /lib/x86_64-linux-gnu/libpthread.so.0(+0xfc60) [0x7f19b2219c60]
>
 /home/teachersim2/opensim/bin/libode-x86_64.so(_ZN6Opcode11OBBCollider8_CollideEPKNS_14AABBNoLeafNodeE+0x498)
> [0x7f1997aac9a8]
>
 /home/teachersim2/opensim/bin/libode-x86_64.so(_ZN6Opcode11OBBCollider8_CollideEPKNS_14AABBNoLeafNodeE+0x12e3)
> [0x7f1997aad7f3]
>
> Debug info from gdb:
>
> Could not attach to process.  If your uid matches the uid of the target
> process, check the setting of /proc/sys/kernel/yama/ptrace_scope, or try
> again as the root user.  For more details, see
/etc/sysctl.d/10-ptrace.conf
> ptrace: Operation not permitted.
>
> =================================================================
> Got a SIGSEGV while executing native code. This usually indicates
> a fatal error in the mono runtime or one of the native libraries
> used by your application.
> =================================================================
>
> Aborted
> teachersim2 at teachersim2-System:~/opensim/bin$ mono OpenSim.exe
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>
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