Why is MySQL nearly twice as fast on Linux/AMD64 Vs.
brooks at one-eyed-alien.net
Tue May 18 17:16:44 PDT 2004
On Tue, May 18, 2004 at 05:02:51PM -0700, JG wrote:
> At 06:28 PM 5/18/2004 -0500, you wrote:
> >JG wrote:
> >>Dual AMD Opteron 240's (1.4ghz)
> >>Tyan S2882UGNR server-class motherboard w/LSI Zero channel Raid card.
> >>2 gigs PC-2700 registered ECC memory
> >>Seagate barracuda ATA 100 system drive
> >>RAID-0 Mysql drive composed of 2 15k RPM U160 SCSI Fujistu drives.
> >How is the memory laid out? How many DIMMs, and are they evenly spread
> >between the CPUs?
> There are only (2) 1GB modules. They are laid out as the motherboard
> suggests for this
> configuration - both modules on the CPU0 bank.
I'd recommend replacing those 1GB modules with 4 512MB modules. That
should yeild improved performance across the board by giving both CPUs
their own RAM.
Any statement of the form "X is the one, true Y" is FALSE.
PGP fingerprint 655D 519C 26A7 82E7 2529 9BF0 5D8E 8BE9 F238 1AD4
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Size: 189 bytes
Desc: not available
Url : http://lists.freebsd.org/pipermail/freebsd-amd64/attachments/20040518/51941311/attachment.bin
More information about the freebsd-amd64