Slower MySQL inserts for AMD64/Opteron?

David O'Brien obrien at FreeBSD.org
Fri Jun 24 13:20:03 GMT 2005


[ please do not top post to FreeBSD lists ]

On Thu, Jun 23, 2005 at 11:50:36AM -0700, ray at redshift.com wrote:
> At 06:43 AM 6/23/2005 -0700, David O'Brien wrote:
> | Note that in 5.4, the ATA subsystem runs without the Big-GIANT-Lock.  CAM
> | (SCSI subsystem) still grabs GIANT.  For a system with a single activity
> | going on (such as yours), I feel ATA can "out perform" SCSI doing some
> | things.
[..]
>
> Thanks, I will do that :-)  When you speak about IDE/ATA, does that apply to
> SATA as well?  Or just PATA?

It applies equaly to SATA and PATA.
 
-- 
-- David  (obrien at FreeBSD.org)


More information about the freebsd-amd64 mailing list