On 10/08/2012 02:45 PM, Craig James wrote:
> This is driving me crazy. A new server, virtually identical to an old
> one, has 50% of the performance with pgbench. I've checked everything
> I can think of.
>
> The setups (call the servers "old" and "new"):
>
> old: 2 x 4-core Intel Xeon E5620
> new: 4 x 4-core Intel Xeon E5606
>
> both:
>
> memory: 12 GB DDR EC
> Disks: 12x500GB disks (Western Digital 7200RPM SATA)
> 2 disks, RAID1: OS (ext4) and postgres xlog (ext2)
> 8 disks, RAID10: $PGDATA
Exact same model of disk, same on-board cache, same RAID-card RAM size,
same RAID strip-size, etc.??
Cheers,
Steve