[mythtv] Ticket #3986: BOB interlacing makes EPG slow in latest SVN

Daniel Kristjansson danielk at cuymedia.net
Wed Oct 3 15:55:51 UTC 2007


On Wed, 2007-10-03 at 11:05 -0400, Shane wrote:
> I tracked down a similar killer performance regression the other day.
> I thought it was mostly because I use a slow remote backend but the
> symptoms are similar so I thought I would mention it.
> 
> It was the regex searches introduced in r14448 that caused the extra
> load. This is the workaround I put in. I don't have any funky chars in
> my channels so I'm not sure this doesn't breaks thing for those who
> do.

Interesting. It's easy enough to cache the regular expression, let me
write some code for that for you to test.

-- Daniel



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