Messages in this thread | | | Date | Wed, 25 Sep 2002 16:57:54 -0700 | From | William Lee Irwin III <> | Subject | Re: 2.5.38-mm2 dbench $N times |
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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.
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