On Sat, Aug 20, 2005 at 12:52:08AM -0600, Dan Harris wrote:
On Aug 19, 2005, at 12:55 AM, Jeffrey W. Baker wrote:
  Have you considered booting your
machine with elevator=deadline?


Although I'm not the OP for this problem, I thought I'd try it out. WOW.. this should be in a Pg tuning guide somewhere.
[snip]
16-drive RAID 10

Yeah, the default scheduler tries to optimize disk access patterns for a
single-spindle setup, and actually makes things worse if you have a
device with multiple spindles.

Mike Stone

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