Low perf of i386 6.0 on dell poweredge 1850 bi-Xeon 2.8ghz DualCore

[Kris Kennaway]

On Thu, Mar 09, 2006 at 04:19:15PM +0100, Eric D'HEM wrote:
> Mail NETvigieHi,
> 
> I buy a new DELL PowerEdge 1850 with Bi-Xeon 2.8GHZ/2*2MB Dual Core 800FSB 
> processor, 2Go DDR2 RAM, PERC4di RAID controller with 2 SCSI U320 15.000tpm 
> 36Go hdd on RAID1.
> 
> I install on it Freebsd 6.0, apache 2.2.0 and mysql 4.1.18 and compare 
> performance with :
> 
> OLD PowerEDge with only simple Bi-Xeon 3.0 GHZ and freebsd 4.11.
> 
> Result is that web and local databases query are +- 4 times slower with 
> freebsd 6.0 and dual-core.
> 
> I try with and without smp and  threaded kernel and results are same.
> I came back to Generic kernel to see if it come from my kernel 
> configuration but result was same.

Try using libthr instead of libpthread (i.e. use /etc/libmap.conf to remap it).

Kris
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