[mythtv] ringbuffer.cpp

Henk D. Schoneveld belcampo at zonnet.nl
Wed Feb 19 08:43:52 UTC 2014

On 19 Feb 2014, at 03:28, Jean-Yves Avenard <jyavenard at gmail.com> wrote:

> On 19 February 2014 13:24, Paul Kendall <pkendall64 at gmail.com> wrote:
>> Have you considered that the problem may be that we are flushing with
>> fdatasync and the metadata not being flushed may be causing the problem for
>> the reader thread?
>> It would be s simple thing to try by changing sync to a full sync.
> I didn't consider it no...
> What I'm currently attempting is first retrieving the size of the file
> via fstat; and never attempt to read more than what the file is...
> But reading the manpage of fdatasync, in our scenario, it shouldn't
> make a difference as the file size *is* modified...
> it more and more smell like a linux filesystem handling issue; and
> we're just trying to find a way around the problem
Did anyone run iotop -o and look what’s happening on system-level while the problems arise ?
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