[mythtv] Subject for my last message: PVR 250 Audio

[WeaselGod]

In my experience,  vmstat doesn't necessarily show IO info.  top and 
iostat are the only ones that show good io information.  Of course, this 
is mostly true on Solaris where I do more performance oriented testing 
and investigation than on linux.
Eric


Jim Paris wrote:

>>A couple folks have noticed that their job queue length rises > 1.  Mine
>>does that as well, but I'm not sure if that's really an indication of an
>>error.  Using mplayer also raises the queue length but the playback is
>>smooth...
>>    
>>
>
>I'm convinced now that it has nothing to do with disk speed; watching
>vmstat output for a while demonstrates that it's definitely not being
>IO bound, as the first hundred megs or so of capture go into cache
>memory and aren't even being written to disk yet.
>
>The problem does go away at lower resolutions (eg 320x240 instead of
>720x480), but there's still plenty of free CPU at 720x480.. 
>
>-jim
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