[mythtv-users] Issue exiting to main menu and extremely high cpu usage for the frontend
gravityhammer at gmail.com
Mon Jan 3 14:56:04 UTC 2011
On Mon, Jan 3, 2011 at 8:51 AM, Raymond Wagner <raymond at wagnerrp.com> wrote:
> On 1/3/2011 02:35, Matthew Anderson wrote:
>> I have noticed something I have not seen before where the mythfrontend is
>> taking up 100% CPU usage. With my setup I have a backend PC (I7 Quad Core,
>> 4Gb Ram) to do all the recordings and I have smaller PC (single core
>> 1.73Ghz) to do the play back only. Now when I am watching tv on the
>> it seems its taking up 100% of the cpu (no io) and the playback isn't that
>> crisp anymore. I thought the frontend was lightweight and effectively
>> rendered the recordings/stream sent via the backend?
> The backend runs the scheduler, the database, encoding of recording if
> you're using framegrabbers, and any commercial detection, transcoding, or
> other tasks you run through the jobqueue. All decoding for playback is done
> on the frontend. A 1.73GHz machine of any type is going to struggle with
> anything HD.
... without using video card ofloading.
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