[mythtv-users] random livetv stalls

[Brian J. Murrell]

On Wed, 2014-02-05 at 19:23 +1100, Jean-Yves Avenard wrote: 
> 
> First is the recorder writing to the disk: that's thread #1
> Then you have thread #2 handling request from the frontend and
> requesting data; that is reading the data from the disk.

Why would it be?  As long as the frontend/viewer was not "too" far
behind the live data, the front-end's read(2)s would be coming out of
the kernel's disk buffers wouldn't it?

> So one process of the backend write on disk, while another process
> read from disk.

Per above, I disagree.  One process requires disk I/O but the other
should be leveraging the buffer cache in the kernel.

b.

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