On Thu, 7 Feb 2008 16:37:39 -0800
"Joshua D. Drake" <jd@commandprompt.com> wrote:
> I didn't, but do now and am testing. The way this is currently
> designed is:
>
> /data1 (8 disks RAID 10)
> /data2 (8 disks RAID 10)
> /pg_xlogs (2 disks RAID 1)
>
> /data1 is what is primarily written against for the first couple of
> hours and then it will switch to data2 because of table spaces.
> However either way, we should expect (I would think) to see at least
> 100 megs a second on an 8 Disk RAID 10. It is SCSI.
>
Following up with this... 22G in one hour, with xlogs on a different
partition. Just looking at we are averaging 3-5% IOWait, further we are
only writing ~ 2Megs a second.
This is frustrating.
Sincerely,
Joshua D. Drake
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