| From: | David Boreham <david_list(at)boreham(dot)org> |
|---|---|
| To: | pgsql-general(at)postgresql(dot)org |
| Subject: | Re: Why facebook used mysql ? |
| Date: | 2010-11-10 00:21:26 |
| Message-ID: | 4CD9E586.8090708@boreham.org |
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| Lists: | pgsql-general |
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..
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