[mythtv-users] Mythvideo performance

[Ryan Steffes]

On 6/15/06, George Nassas <gnassas at mac.com> wrote:
>
> On 15-Jun-06, at 12:20 PM, Ryan Steffes wrote:
>
> > going into My Videos has a noticable delay.  I assume it's because
> > I have a several hundred videos
> ...
> > Gallery mode is important to me, for WAF
> ...
> > Any suggestions for how to improve the performance?
>
> The real performance killer is the "Gallery Browses Files" setting in
> the MythVideo setup. If you're using myth 0.19 and gallery view and
> you want directories to be seen as folders then you must have that
> setting checked. Unchecking it will give you a sizeable performance
> boost but, of course, your 350 videos will show up as one long list.
>
> As Michael Dean mentioned I submitted a ticket to address a few
> performance issues, the ticket is here: http://cvs.mythtv.org/trac/
> ticket/1569. It applies against 0.19 and, I believe, 0.19-fixes. The
> main changes are to address a bug allowing gallery view to show
> folders without forcing a filesystem scan and to implement a lazy
> loading scheme for certain descriptive items like categories. For me
> it brought start times down from 10 seconds to 1 with 1,000 videos.
> Someone else with a similar number of videos wrote to say his times
> had gone from minutes to seconds. So, it seems to work.
>
> I doubt you need to change filesystems. The issues I found were
> within mythvideo and the amount of querying it was doing against the
> database.



Do you think your patch will overcome potential problems with cover file
loading?  It's doing quite a bit of hard disk grinding in that 30 seconds
before it loads, and when I turned off the option suggested to load meta
data, it now loads instantly.

Ryan
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