[mythtv-users] MythTV Secondary FE/BE Setup Advice

[Michael T. Dean]

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