Lutz Rabing wrote:
hi,
I did some testing an a supermicro 2 x 4 core xeon server under 64bit
"7.0-STABLE #1: Fri Jul 4". when we first tested the system under load
(2000 apache threads) the system performed bad compare to other dual
core systems under the same workload.
the 8 core system had 0% idle time and almost 100% system load. I could
not find out what the load was. disk IO was close to zero during that time.
because of that I checked the sysbench results with this test:
sysbench --test=oltp --mysql-socket=/tmp/mysql.sock --mysql-user=root \
--max-requests=0 --max-time=60 --oltp-read -only=on --num-threads=$1 run
See my tuning notes at:
http://people.freebsd.org/~kris/scaling/mysql.html
software versions used:
- mysql-server-5.1.25
In my tests mysql 5.1 has much worse performance than 5.0.
Kris
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