Re: 2.5.38-mm2 dbench $N times

William Lee Irwin III
2002-09-25T23:53:41Z

On Wednesday 25 September 2002 1:03 am, Martin J. Bligh wrote:
>> Does dbench have any sort of CPU locality between who read it
>> into pagecache, and who read it out again? If not, you stand
>> 7/8 chance of being on the wrong node, and getting 1/20 of the
>> mem bandwidth ....

On Wed, Sep 25, 2002 at 01:51:58PM -0500, Andrew Theurer wrote:
> Pretty sure each dbench child does it's own write/read to only it's
> own data. There is no sharing that I am aware of between the processes.
> How about running in tmpfs to avoid any disk IO at all?

tmpfs needs some fixes before it can be used for that. Hugh's working
on it.

Cheers,
Bill