[mythtv-users] Re: Horsepower required for realtime commercial flagging

Steve Adeff adeffs at gmail.com
Wed Dec 28 01:16:15 EST 2005

On Tuesday 27 December 2005 22:54, Andy Poling wrote:
> Jack Lowry <jrlowry376 at adelphia.net> said:
> > I currently have an AMD duron 950 wiht 256 Megs of ram and two pvr 250s.
> >
> > I'd like to be able to do realtime commercial flagging on two streams.
> >
> > Does anybody have any suggestions as to how much how much horsepower is
> > required to hit this target?
> >
> > I also have a AMD Athalon 2200 XP+ that's currently my workstation that
> > I could move to the Myth box
> > and buy a new motherboad/CPU for my workstation.
> There's an even easier solution, IMHO.  I wanted to use the horsepower of a
> couple of pretty powerful workstations for commercial flagging, so I made
> them slave backends with the master backend mounted via NFS and with no
> tuners, set their job search interval at a fraction of the master backend,
> and set their job limit at 2 and the master backend's job limit at 1 (I
> also used 0 for a while to disable it completely).
> The upshot of this is that these slave backends end up doing all the
> commercial flagging instead of the master backend.
> To also partially answer your question, my athlonxp 2400+ workstation seems
> to be able to easily do realtime commercial flagging on at least one sdtv
> show (from a pvr250 at high capture res) at once.  My second input is an
> hdtv card and the demands of flagging hdtv are much higher, of course, so I
> can't really tell you if it could do two sdtv shows at once.
> -Andy

I just set up my "spare" computer to do all my commercial flagging as a slave 
backend, works great. The bonus is when I need to use its CPU for somehting I 
can shutdown the slave backend and the cpu is free until I start it up again.


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