Grokking concurrency, message passing and Co

[sybrandy]

> I'd expect databases to have quite odd performance characteristics
> compared to a more normal application though; You'd expect them to be IO
> bound most of the time, so having more threads than cores sounds like a
> reasonable thing to do.
>
> If you aren't waiting on the disc, then more threads aren't going to
> help, they'll just be contending for cpu time as BCS said.
>
> Still that's one of the drawbacks with multi threading, there's really
> not many absolute statements you can make or things you can assume.
>
> You'll have to profile you application and fiddle with it to find out
> how to get the best performance out of it.
>

Yeah, that was my assumption.  It just sounded like there was more to it.

Thanks.

Casey