6.0 Stable on 8 Core AMD Opteron scalability. (perf stat)

astatech at mail.ru astatech at mail.ru
Wed Feb 8 12:06:39 PST 2006

> a> bge0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu  1500
> ....
> a>       media: Ethernet autoselect (none)
> a>       status: no carrier

Latter in log:
bge0: link state changed to UP

> It wasn't clear if you were running over a localhost-only
> benchmark.  If not, did your network card manage
> to negotiate full-duplex mode?

Cross link via bge0 to client machine with identical NIC. Same configuration used for Solaris testing.

> a>  8634 mysql     111  76    0   367M   122M RUN    7   0:52  0.00% mysqld
> This process looks suspicious.  Please check if you are
> running MySQL with an appropriate configuration (my-huge.cnf?).

MySQL database only 350MB, and so I use my-large.cnf

> http://wikitest.freebsd.org/moin.cgi/MySQL has more
> hints about tuning MySQL.  Does changing sysctl
> kern.timecounter help?

I try rebuild mysql and post results here.

> I would appreciate a hwpmc profile of your system under
> this load.


Thank for your help. I post results as soon as posible.

WBR, Alexander.

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