[mythtv] Re: Solving my performance problems...

[avalanche at beyondmonkey.com]

----- Original Message ----- 
From: "Bruce Markey" <bjm at lvcm.com>
To: "Development of mythtv" <mythtv-dev at mythtv.org>
Sent: Thursday, December 18, 2003 3:47 AM
Subject: Re: [mythtv] Re: Solving my performance problems...


> I also noticed that seeks are considerably slower so I did
> a test to see how long it takes to skip forward in a one hour
> remote file. The fast forward amount was set to 30 so there
> would be about 120 seek to get through the file. However, on
> four attempts I never got all the way through without a Read()
> failed in RingBuffer::safe_read(). The closest I got was 54min
> in 1:46. Without the patch it took 49 seconds to make it to
> the end of the file so seeks with the patch take more than
> twice as long.

I think it's always doing the full 265k blocks, that's probably
part of the slow down. Scaling block size depending on setup 
should help. 64k should be enough for anyone, right? ;). 

av