[mythtv-users] Number of threads needed?

Kirby Vandivort kvandivo at ks.uiuc.edu
Fri Jun 20 16:01:54 EDT 2003


most versions of top report threads as different processes, even though
they are actually sharing the same space.  Check the PIDs.. I'm guessing
they will all be the same. 


On Fri, Jun 20, 2003 at 03:13:02PM -0400, Richard Schelin wrote:
> 
> My question, the rest of below should answer 99% of the questions I may get 
> :), is :
> 
> Is it normal for me to see 9 mythbackend processes running when I start 
> mythbackend?  the number of mysqld processes jumps from ~4 to the number of 
> mythbackend processes I have running.
> 
> This concers me because I'm looking at the Residental space these take, 
> when I first start each takes 11Mb (mythbackend), and 5.5 for each mysql.  
> Just now They were up to 39+7.5, or 46.5Mb each, and I had 11 of each 
> process running (Strangely that's the 512Mb of ram in my system...)
> 
> Right now top shows 256k of swap used....(after restarting both mysql and 
> mythbackend, which did remove ALL those processes).
> 
> Is this normal?
> 
> Thanks,
> 
> Rich
> 
> Start lengthy system information.
> 
> 
> I have just installed Gentoo, and mythTv 9.1.
> 
> I have a Athlon-Xp 2600+, 512Mb ram, a ATI Wonder Ve card and a Gainward 
> 128mB Geforce 4 4200.
> 
> My kernel is custom built on linux-2.4.21-rc4-aa1 sources.
> 
> I'm running XFree86 Version 4.3.0, with fluxbox as my WM, and the latest 
> nvidia driver.
> 
> I have mysql, and mythbackend start during boot time (it shows the user for 
> mythbackend as "nobody", and for mysqld the user is "mysql")
> 
> I can record shows just fine, watching liveTv can be a little jumpy at 
> 720x480 Mpeg4 no compression on the audio and all the neat buttons clicked, 
> I'm running fullscreen on my monitor for now...Ths concerns me a little bit.
> 
> I can record a show, and watch the show a minute or so behind and there is 
> no skipping or anything, but watching live doesn't seem to be happy.  I've 
> watched my cpu usage hang right around 90% watching live Tv.
> 
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-- 

Kirby Vandivort                      Theoretical and Computational Biophysics 
Email: kvandivo at ks.uiuc.edu          3051 Beckman Institute
http://www.ks.uiuc.edu/~kvandivo/    University of Illinois
Phone: (217) 244-5711                405 N. Mathews Ave
Fax  : (217) 244-6078                Urbana, IL  61801, USA


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