Bjorn,

> I haven't read much FAQs but has anyone done some benchmarks with
> different io schedulers in linux with postgresql?

According to OSDL, using the "deadline" scheduler sometimes results in a 
roughly 5% boost to performance, and sometimes none, depending on the 
application.   We use it for all testing, though, just in case.

--Josh

-- 
--Josh

Josh Berkus
Aglio Database Solutions
San Francisco

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