[mythtv-users] Slow network causes myth to hang?

[Brian Wood]

On Feb 10, 2007, at 7:07 PM, David Brodbeck wrote:

>
> I suspect it's not that the database uses all that bandwidth, it's  
> that
> with NFS saturating the network mysql can't get a packet in edgewise.

I don't think it's believed that the DB is the culprit. I asked him  
and he said that MySQL was local. There's certainly a lot of other  
traffic though.

>
> Another possibility is high processor usage.  Some cheap ethernet  
> cards
> demand a fair bit of it.  I have a 2.0 GHz Celeron system with a  
> Realtek
> 8139 card in it, on a full-duplex 100baseT network, and using most of
> the available bandwidth will cause 20% of the CPU to be consumed in
> "system" processes. If I'm using a web browser or SMB file browser  
> to do
> the copy, the software and ethernet driver together can easily consume
> over half the CPU.

That's the truth. Shades of the infamous "WinModems" where the  
customer gets to pay for what the modem should be doing.