[mythtv-users] Laggy time-seeks?

[Steven Adeff]

On 2/5/07, William Pettersson <enigma at strudel-hound.com> wrote:
> I've had this mythtv setup running for a while now.  I have a backend
> with one tuner, and the hard drives.  It's an XP1700+, 512MB RAM.  Over
> a 100MBit network we get to my frontend, a 3500+ with 2GB of RAM, and an
> NVidia gfx card.
> Ever since a blackout about a week ago, I've had 2-3 seconds of lag
> between pressing "right" or "left", and the video catching up.  During
> these 2-3 seconds, audio continues going as normal, while video freezes.
>   After this, it seeks and starts playing at the expected time.
>
> The backend runs at 0.00 to 0.05 load averages.  The frontend is roughly
> the same.  According to 'top', the backend uses less than 5% CPU
> (including mysqld and nfs).  The frontend uses around 10% of the CPU
> while watching (standard def. digital).
> The network does support 100MBit, while watching TV I can also get
> transfer rates of 9.4 MB/s, and I can break 10 MB/s if I don't do
> anything on the network.
>
>
> Anyone able to think of reasons behind my lag during timeseeks?

have you run optimize_mythdb.pl lately? (you should really be running
it once a day if your not already.)

-- 
Steve
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