On Tue, 22 Jan 2008, Adrian Moisey wrote:
Hi
Which scheduler is recommended for a box that is dedicated to running
postgres?
I've asked google and found no answers.
Is it the OS itself?
Yes, in linux. I've found that cfq or deadline is best, but I haven't seen
anyone try a benchmark
it also depends on your hardware. if you have a good battery-backed cache
on your I/O system you may be best off with 'none' (or simple elevator, I
don't remember the exact name)
the more complexity in your I/O that the kernek oesn't know about, the
less likely it is to make the right decision.
David Lang
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