[mythtv-users] Multiplexing vs multiple cards
seven at seven.dorksville.net
Thu Nov 4 10:28:44 UTC 2010
On 4 November 2010 16:03, Christopher Kerr <mythtv at theseekerr.com> wrote:
> On Thu, Nov 4, 2010 at 4:13 PM, Paul Buchanan <paul.buchanan at gmail.com>
> > I'm using hardware that I've rescued from various sources to make one
> > and one slave. 3ghz and 2.8ghz P4 CPUs.
> > Quite old I know ... so I'm trying to manage the load as best I can with
> > config tweaks.
> Ah, fair enough - hot, power hungry, and pretty weak by todays
> standards. I have a P4 3.0GHz under my desk as a footrest - I suspect
> it has worked its last day ;o)
> I'd suggest you limit the system to 2 simultanous jobs and see how you
> go - real time commflagging isn't as CPU intensive as it might be,
> because it's capped at the framerate of the incoming video.
> Oh, and make sure you make life as easy as you can for it - put the
> database on a different disk to the recordings, and spread your
> recordings directories over 2+ disks too, if you can - made a huge
> difference to my (rather more powerful) system - with 3 harddrives, I
> can now record 6 programs (typically 5 SD and 1 HD, given how little
> real HD content we get here) with commflagging whilst playing a
> recording on a seperate frontend - I've never tried winding up both
> frontends at once on a Saturday night, but I suspect it'd handle it.
> - Chris
I'd even go as far as limiting the simultanous jobs to 1, especially if you
ever export recordings, my P4 3.0GHz seems to run fine now I fixed my
thermal throttling issues thanks to some suggestions from the list but I am
using a nvidia GT240 to offload alot of the display processing to the GPU.
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