MySQL slow queries, small tables

Dave Smith dave at
Tue Jun 10 23:11:23 MDT 2008

Dave Smith wrote:
> Steven Alligood wrote:
>> What crazy scenario is causing you to pound your system so hard?  I 
>> mean, really, cat /dev/zero is not an "in the wild" type of program, 
>> nor one that you are likely to run in a production environment, 
>> unless you have untrusted customers on the box, in which case you 
>> will never be able to guarantee that their dumb actions don't cause 
>> you issues.
> Bzzzzt. If I didn't have a real-world scenario, I wouldn't be asking 
> the question. cat /dev/zero does a great job of approximating what is 
> happening in production. We move lots of data, and we have big disks.
> If you want to know more, send me your resume. :)

P.S. Sorry for the sarcastic tone. That "Bzzzzt" wasn't necessary. But 
we really are moving big amounts of data to disk on the same box hosting 
MySQL (not ideal, but that's the way it is for now, though not for long).


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