Olivier Kaloudoff wrote:
> On Wed, 17 Nov 2004, Tomas Ulin wrote:
>
>> Oliver,
>>
>> in 4.1.8 some optimization/tuning settings will be available.
>>
>> but, I would strongly recommend to run several mysql servers in the
>> cluster. It performs better than having several clients connected to
>> one server. Our own experience is that one does not get an even load
>> in in the system until you have about twice as many mysql servers as
>> ndbd nodes (of course very app dependent).
>
>
> ok. So I can now explain why I had only 30% CPU max at each db node,
> and the same at API node level, and no network bottleneck. I'll put 2
> or 4 API nodes, so.
>
>> in 4.1.8 there will be a tuning param for better client/thread
>> concurrency but we have no real measuremets on the impact yet.
>
>
> Ok great. I just managed to have 4.1.8 from tonight to compile... Will
> be able to give feedback in less than 2 days :)
Haven't pushed those params yet though :(
>
>
> Regards,
>
>
> Olivier
>
>