[mythtv-users] suspend and resume mythcommflag
Misty P
mistyp at thekorn.net
Thu May 15 20:53:54 UTC 2008
James Klaas wrote:
> I have a backend and frontend/backend setup running 0.21 running on
> Ubuntu.
>
> My problem is that if I'm trying to watch liveTV or if something is
> recording in the background, the video gets really choppy when
> mythcommflag is running. It's much worse when mythcommflag is running
> on the frontend. Rather than dedicate a computer for the task, I
> think it would be much better if I could suspend and resume
> mythcommflag (via SIGSTOP and SIGCONT signals) when mythtv recognizes
> that liveTV or a recording is happening.
>
> I think a lot of the choppyness is coming from extensive disk access
> when one or two recorders are going at once, plus mythcommflag
> running.
>
> Is there any way to do this?
I know it's not quite what you're looking for, but if disk contention is
causing the problem then using a script to pause/unpause commercial flagging
that's only looking at CPU usage is like using the weather to predict profit
margins. Yes, they sort of affect each other, *but*...
I'd recommend using ionice instead. ionice : disk :: nice : cpu.
(man ionice if that didn't make any sense.)
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