On 10/20/06, Tom Lane <[EMAIL PROTECTED]> wrote:
So far I've seen no evidence that async I/O would help us, only a lot
of wishful thinking.

is this thread moot?  while researching this thread I came across this
article: http://kerneltrap.org/node/6642 describing claims of 30%
performance boost when using posix_fadvise to ask the o/s to prefetch
data.  istm that this kind of improvement is in line with what aio can
provide, and posix_fadvise is cleaner, not requiring threads and such.


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