Re: Why facebook used mysql ?

On 11/9/2010 5:05 PM, Scott Marlowe wrote:
> Note that you're likely to get FAR more out of processor affinity with
> multiple NICs assigned each to its own core / set of cores that share
> L3 cache and such.    Having the nics and maybe RAID controllers and /
> or fibre channel cards etc on their own set of cores in one group can
> make a big difference.

Be careful though: this phenomenon typically only comes into play at
very high I/O rates.
I wouldn't want to send the OP down this path without first verifying
that he has a problem.
Most folks are not trying to push 100k requests/s out their web servers..