[mythtv-users] Howto prevent MythTV flushing/Syncing disk writes (LiveTV/Recordings)

[David Brodbeck]

On Mar 18, 2008, at 11:24 AM, Albert Graham wrote:
> Also, that argument does not hold much water, because MythTV can  
> handle
> multiple feeds/cards at once, so if you have 5 cards (and I plan to  
> have
> at least 10) you'd be dead in the water.

Well, yes, but again that data comes in small (but time-critical) chunks

>
>
> I imagine the frame buffer side of things is interrupt driven in most
> cases, so if there are no conflicts in the hardware setup it should  
> not
> miss any frames, so write caching would actually improve this  
> situation.

I think the problem comes when the system is unable to service a video  
interrupt in time because it's busy servicing a large disk write.