Why is MySQL nearly twice as fast on Linux/AMD64 Vs.FreeBSD/AMD64?

Steven Hartland killing at multiplay.co.uk
Fri May 21 02:47:42 PDT 2004


With mybench it wont is a purely sequential test which has no concurrency
so will only ever use 1 cpu / thread in the db.

    Steve / K 

> IMHO, i don't trust mybench for results. i only rely on the
> "run-all-tests" that comes with the sql-bench scripts with mysql source.
> 
> i'm sure there are plenty of things you could change in your PHP setup,
> network setup, etc. that could lskew the results.
> 
> what we need first is to figure out how to get the threading/whatnot to
> work properly even running locally on the same machine. if it doesn't work
> properly there, it wont' work properly when stressed over the network.
> save that for the next stage.
> 
> i'm willing to give access to my machine for anyone to
> compile/configure/etc. and also willing to pitch some money to whomever
> can help resolve this issue. getting this to work with good performance
> means a lot to me.


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