Is it possible to set jobs, like commercial flagging and transcoding, to run in a lower priority in background.

I ask because, my myth box only has a 900Mhz cpu, which runs fine recording from one of the 2 DVB tuners and watching a recorded video at the same time, but, get's a little jerky if a job, such as commercial flagging, kicks off at the same time.

Maybe the problem isn't cpu, but HD I/O, but I just thought I'd ask in case there is an easy way to try getting the background job to use less cpu, so I could try it.

thornsoft made a script to address this. Do a search for babyset script and you should be able to find it.

The script will check every minut to see if Commflay is running, if it is it will lower it's priority.

Works well.

Sounds like just what I need. Unfortunately a search for babyset script, as you suggest, turns up this thread only.

Found it, it's babysit, not babyset

Isn't commflag already niced to 17? Is that still too high of a priority on your system?

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17 is fine for Standard deff on my setup but, with HD it will cause stutters. Renicing it to 19 fixes the HD problem.

It still causes problems, my cpu is only 900MHz.

And also, when I implemented the babysitting script, it found a comm flagging process at 0, not 17. Maybe because I started it manually from the job menu under 'watch recordings'.

I only have SD but still had stutters sometimes at nice 17. This was with an AthlonXP 3000+.

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In my experience I don’t think nice 19 is a 100% fix
Not everybody seems to have this problem.
Is this a platform specific problem?
There has been about a dozen different threads on this subject and most people seem reluctant to post their system information. The few that have posted seem to have AMD processors. If you have good HD hardware and still have this flagging problems post your hardware. If you have never experiences the problem and do HD, post that also. Maybe there is a common denominator.

Also there must be a reason why the Mythtv project changed this setting. Dos anyone have any Mythtv insider knowledge on this?

My name is TVBox and I have a flagging problem
AMD64 3200,
Nvidia Chipset,
Nvidia Video

My story
I receive all my stations in digital over the air
In R5C7 I could record three shows 720p or greater, watch one show 720p or greater and commercial flag all at the same time and I never knew that anything else was going on. Now with R5E50/ Mythtv20, no recordings going on, commercial flagging on and trying to watch a 480i I will get the hesitation once or twice a show. There is no way to watch HD with commercial flagging on. If I nice the process back to 19 I can watch 1 HD, record one HD and commercial flag but I can’t do it all any more

Asus K8N-E Deluxe, nForce 3- 250Gb
AMD 64 3200, 1MB L2 Cache
1024 Ram PC3200 DDR
FXF GeForce FX5200 128MB, VGA/TV/DVI
3 pcHD3000
MCE Remote / USB Receiver
Knoppmyth R5E50, Auto Install