[mythtv-users] Freevo, Tivo & MythTV

[Brad DerManouelian]

On Nov 18, 2006, at 6:13 PM, Marco Nelissen wrote:

>> Marco Nelissen wrote:
>>> You're lucky then. I have to wait anywhere from 6 to 17 seconds  
>>> to go to
>>> live TV, and channel changing is about 6 seconds on a good day.
>>
>> I see the long delay when I start live TV mode, but from then on  
>> channel
>> changes are only a few seconds.  Certainly not six.  I suspect the  
>> long
>> delay on switching to live TV is because I don't have enough RAM  
>> and the
>> system is swapping when I change from one function to another, but I
>> haven't bought another stick of RAM to verify this, yet.  With  
>> only 256
>> megabytes of RAM and both the frontend and backend running I use a
>> significant amount of swap.
>
> I have 512MB and it's a combined front/back end. I read that mythtv
> requires 256MB, so I figured I'd double that and be extra-safe. Would
> adding more memory help in any way with channel-change speed?

Check your swap usage to see how much is being used while viewing  
Live TV. That will tell you if you need more RAM.