[mythtv-users] Strange backend activity

Adam Biskobing tv at badmoon.com
Mon Mar 1 15:01:48 EST 2004


Okay, I was expecting to see a mythcommflag thread for that.  Thanks for
the info.  Hopefully I'm getting closer to tracking this problem down.

> -----Original Message-----
> From: mythtv-users-bounces at mythtv.org 
> [mailto:mythtv-users-bounces at mythtv.org] On Behalf Of Joseph A. Caputo
> Sent: Monday, March 01, 2004 1:10 PM
> To: Discussion about mythtv
> Subject: Re: [mythtv-users] Strange backend activity
> 
> 
> On Monday 01 March 2004 13:08, Adam Biskobing wrote:
> > A little bit more information, I've been watching my backend today 
> > trying to see when and where it starts eating up the CPU.  
> I scheduled 
> > a recording at 11:30, it was running fine eating up 2% of the cpu, 
> > until the end of the recording, where a mythbackend process with a 
> > nice level of 19 started to eat up 49-50% of the CPU, memory usage 
> > appears to be static.  Is this normal?  Any idea what this 
> process is 
> > doing?  I've scheduled another recording to begin at 12:30 
> to see what 
> > happens when it tries to do that recording.
> >
> 
> That's the commercial flagging thread.  It runs with a nice 
> priority of 
> 19, so even though it looks like it's eating up all your CPU 
> resources, 
> the kernel process scheduler will easily preempt it if something else 
> needs to run.  Search the archives for "commercial flagging 
> thread" for 
> more info.  It usually takes about 1.5x the length of the recording 
> it's flagging to run.  You can disable automatic commercial 
> flagging in 
> the frontend setup, if you like.
> 
> -JAC
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