[Opensim-users] Possible to configure how often sim diagnostics are done?

Thu Aug 1 22:27:11 UTC 2013

Something like this i have seen on windows 8 with normal usage. not with 
opensim.
The p[roblem where finally a wrong used or missing sata / controller 
driver for the chipset.

On 2013-08-02 00:24, Dahlia Trimble wrote:
> System lockups accompanied with a lot of disk activity are often (but 
> not always) a sign of insufficient RAM memory. If your system is as 
> you described and is *functioning properly* then I'd recant my 
> suggestion that you are low on memory. However, on a multicore system 
> with lots of extra RAM there isn't really anything OpenSim would do to 
> cause lockups. Does it happen only when 3D graphics applications are 
> running? Or, can it lock up when OpenSim is the only program running?
>
>
> On Thu, Aug 1, 2013 at 1:16 PM, Chris M <mewtwo0641 at gmail.com 
> <mailto:mewtwo0641 at gmail.com>> wrote:
>
>     Hi Dahlia,
>
>     I don't believe I am low on system memory... It has 11 gigs in it
>     and only using ~37% of it overall even after running my viewer and
>     OpenSim for a while and not much else running aside from that
>     except the occasional browser window and maybe Winamp; although I
>     do experience the lockups with nothing else running except OpenSim
>     and a single viewer. OpenSim's memory use has always been ~500 -
>     600 MB give or take a few of course.
>
>     My video card should be more than capable; but I don't usually
>     have the settings ramped up to the highest for everyday use.
>
>     Average CPU use is about ~30% - 40% most of the time; much of it
>     being my viewer. I have tried setting CPU affinity to processor 3
>     for the viewer so that OpenSim has the other 3 cores to do stuff
>     with but to not much avail.
>
>     The system was last rebooted about 3 hours ago as of this writing
>     where I have continued using OpenSim and experienced the lock ups
>     since then.
>
>     Windows was recently reinstalled fresh on the system to rule out
>     possibility of malware, corruption, or something else screwy going
>     on there.
>
>     I gathered together a few bits of system info that might be
>     helpful (While OpenSim and a viewer has been running for a while):
>
>     OpenSim memory use as reported by show stats command:
>
>     MEMORY STATISTICS
>     Allocated to OpenSim objects: 306 MB
>     OpenSim last object memory churn    : 0.559 MB/s
>     OpenSim average object memory churn : 1.051 MB/s
>     Process memory              : 599 MB
>
>     Memory use as reported by Windows Task Manager:
>     Total: 11263
>     Cached: 4553
>     Available: 7029
>     Free: 2728
>
>     and my system setup:
>     OpenSim: 10 Region Standalone on 0.7.6 Dev
>     Physics: Open Dynamics Engine
>     OS: Windows 7 (x64)
>     CPU: AMD Phenom II X4 840 3.2 GHz
>     Video: GeForce GTX 560 Ti (1 GB)
>
>     Memory: 11 GB DDR3
>     Database: MySQL 5.1.63 (x64)
>
>
>     At one point in OpenSim's development not too long ago (I don't
>     remember exactly when, probably sometime before mid to late
>     0.7.5's development) this was never an issue; I never saw any
>     lockups. Nothing has changed on my system hardware wise and very
>     minimal change has been done on my regions since then except for
>     the fact that I try to keep my server up to date with the latest
>     development code when possible. I do understand the risks of this
>     and I'm perfectly happy to be a tester for it :) I suppose my
>     question now though is... Why would it be happening in the more
>     recent code?
>
>     I'm by no means an expert when it comes to memory use which is why
>     I'm asking a ton of questions and trying to provide as much info
>     as I can think of :) My apologies if I'm asking too many.
>
>     Many thanks for the help and suggestions so far!
>
>
>     On 8/1/2013 11:20 AM, Dahlia Trimble wrote:
>>     Sounds to me like you're low on system memory. Try closing some
>>     other applications, especially web browsers with lots of open
>>     tabs. Also try lowering graphics quality and draw distance in
>>     your viewer. If it's Windows and you haven't rebooted for a
>>     while. virtual memory can get rather fragmented and usually use
>>     up a lot of swapping time when Windows decides to move things
>>     around. A reboot can help when this happens.
>>
>>     I'd guess that the timer driven diagnostic might trigger a page
>>     swap to bring in a part of opensim that had been swapped out, and
>>     that might trigger the operating system to move a lot of stuff
>>     around which will lock up the system for a while. You probably
>>     don't see it with the "show stats" command as those pages might
>>     already be resident in memory when you invoke the command.
>
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