[mythtv-users] MythTV Secondary FE/BE Setup Advice
Michael T. Dean
mtdean at thirdcontact.com
Tue Sep 2 15:54:08 UTC 2008
On 09/02/2008 11:45 AM, jedi wrote:
> On Tue, Sep 02, 2008 at 11:34:00AM -0400, Michael T. Dean wrote:
>
>> A slave backend without a capture card is simply a mythjobqueue
>> server--in other words all parts of the slave backend except that which
>> runs jobs are disabled, so running mythbackend is a waste. So, rather
>> than run mythbackend, run mythjobqueue.
>>
>> I maintain a myth system with a dedicated backend and a dedicated
>> frontend. However, the frontend is sufficiently powerful to play back
>> recordings with a lot of spare CPU time. Therefore, the frontend system
>> runs mythfrontend and mythjobqueue.
>>
>> Oh, and for those reading my other message in this thread, while
>> installing only the minimum required software doesn't necessarily
>> improve performance on a *nix system, /running/ only the required
>> software does. :)
>>
> So... your MPEG4 transcodes run twice as fast just because you
> are running mythjobqueue rather than mythbackend? '-)
# pmap -d 1642
1642: mythbackend -d -l /home/mythtv/log/mythtv.log
...
mapped: 305548K writeable/private: 256504K shared: 0K
# pmap -d 1690
1690: /usr/local/bin/mythjobqueue
...
mapped: 136128K writeable/private: 26816K shared: 0K
'nuff said. ;)
Mike
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