[mythtv-users] MythTV performance in a demanding real-life environment

Steven Adeff adeffs.mythtv at gmail.com
Mon Apr 9 16:31:12 UTC 2007


On 4/9/07, Yeechang Lee <ylee at pobox.com> wrote:
> Chris Pinkham <cpinkham at bc2va.org> says:
> > Just wanted to comment on the commflag jobs.  A ~realtime commflag
> > job normally uses much less CPU than a non-realtime job because most
> > machines can flag much faster than realtime, so the ~realtime job
> > spends most of it's time just sleeping waiting to process the next
> > frame.
>
> Yes. However, as the slave backend's CPU ran the jobs on the
> recordings stored on the frontend/master backend's RAID 5 array, the
> restraining factor was the network connection, not the CPU. Although,
> as noted, two of the jobs in the example I wrote up were realtime and
> the third was not, all three ran at about 60fps. (I've seen speeds
> well into the triple digits with recordings local to the slave
> backend's RAID 6 array.)

couldn't you just restrict commercial flagging to the machine holding
the recording array?

-- 
Steve
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