[mythtv-users] IOBOUND - blocking in ThreadedFileWriter::Write() --- WTH?

Kevin Kuphal kuphal at dls.net
Mon Jan 9 03:54:48 UTC 2006


Blammo wrote:

>On 1/8/06, Mudit Wahal <mwahal at gmail.com> wrote:
>  
>
>>elevator=cfq didnt help in my setup. I never got around to moving my
>>recordings to jfs file system. So, I'm just using 16MB buffer and
>>seldom had iobound problem. I added another hard drive and formatted
>>it as xfs file system. But the recording is still on ext3.
>>    
>>
>
>I'm already running JFS, and elevator=deadline, which seemed to have
>the best overall performance for HD playback during recording.
>
>It's been a while since this the thread mentioning buffer sizes was
>started. Is there any way to modify this outside of a recompile?
>  
>
No.  Are you performing comflagging on this recording while recording?  
Have you tried disabling that to see if it changes anything?

Kevin


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