[mythtv] mythplayer.cpp query

[Michael T. Dean]

On 03/14/2012 06:53 AM, Raymond Wagner wrote:
> On 3/13/2012 13:40, Russell Gower wrote:
>> I'm really hoping this is a setup issue, it's persisted over 3 hardware "upgrades" and I've experienced it ever since the switch to creating individual recording files for live tv, so i'm doubt full.
>>
>> Bellow is an typical example from the frontend log - on this occasion SwitchToProgram took 7.6 seconds, during which the screen was frozen.
>>
...

> It would appear roughly 7.1 of that 7.6 seconds is sitting there waiting
> for the data to get written to your filesystem.  If the data isn't
> available for the frontend to read it, then nothing you change in the
> frontend is going to make the slightest bit of difference.  We need to
> see backend logs to see where the actual stall is.
>
> We also need to know more about how your system is actually configured.
> Looking through the mailing list archives, you appear to be running
> independent frontends, which means if you are reading off the
> filesystem, you are reading over NFS.  Is it possible your problem is
> caused by nothing more than NFS caching issues that would be resolved by
> merely not mounting those disks and letting MythTV stream its content
> internally?

Or perhaps you're mounting your NFS file systems without actimeo=0 .

http://www.mythtv.org/docs/mythtv-HOWTO-23.html#ss23.8

Mike
||