[mythtv-users] Where the bottleneck?
kkuphal at gmail.com
Sat Jan 26 05:37:41 UTC 2008
On Jan 25, 2008 9:29 PM, Mitch Gore <mitchell.gore at gmail.com> wrote:
> On Jan 23, 2008 8:39 PM, Michael T. Dean <mtdean at thirdcontact.com> wrote:
> > On 01/23/2008 02:17 PM, Mitch Gore wrote:
> > > On Jan 23, 2008 12:43 PM, Michael T. Dean <mtdean at thirdcontact.com>
> > wrote:
> > >> On 01/23/2008 01:15 PM, Mitch Gore wrote:
> > >>
> > >>> Ok, i do a have a 8gb disk i removed from my Xbox when i modded it.
> > >>> Will that be sufficient for system, logs, and db?. its only a
> > 5400rpm.
> > >>>
> > >>> I also forgot to mention. When all this is going on and i move the
> > >>> mouse the system is so slow that the mouse jumps across the screen.
> > >>>
> > >>> And when closing mythfrontend on the 1080p display the screen builds
> > >>> so slow that it takes seconds to move from howing the desktop and
> > the
> > >>> mythbackround to load. (Does this make sense i may need to take a
> > >>> picture of what i mean)
> > >>>
> > >> I/O wait + swap = ^^^^
> > >>
> > >> The 8GB disk should be enough, but make sure you keep your logs clean
> > >> (and don't do bin logging in MySQL). Might need more memory, too.
> > (I
> > >> recommend at least 512MB--possibly more, depending on your choice of
> > >> theme--whose effects are magnified by screen resolution.)
> > > Well i can say for sure that when i load mythfrontend using blootube
> > wide it
> > > takes a good 250mb of RAM.
> > >
> > Yeah. blootube-wide is one of the more memory hungry themes. You can't
> > get that kind of beauty for free. ;)
> > > I have a Gig of ram but a 128mb is allocated to my video card. so i
> > have
> > > about 870mb for system memory.
> > >
> > A gig of RAM should be more than enough. The video card's using shared
> > memory is probably more of an issue than available RAM--primarily
> > because you're doing HDTV. Have access to an NVIDIA 5200+ and an
> > appropriate slot?
> > > I will rebuild my box on my 8gig drive and see if that helps. if that
> > > doesn't fix it should i go more memory (1 or 2 gig) or video card?
> > That's definitely the best place to start.
> > Mike
> > _______________________________________________
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> Well after rebuilding the system on the 10 gig drive i still have the same
> issues. when playing HD and commflaging and any disk access occurs i get
> pauses in video. so when a recording ends that disk access studders the
> Would moving to 32 bit help at all?
I doubt it. I always hate pointing out the obvious, but have you checked
the hdparam -d (I think) to see if DMA is enabled on all your drives? I got
bit by this not to long ago adding a new 500GB drive to a very working
system and found that it didn't have that enabled and caused this exact
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