On 10/20/06, Tom Lane <tgl@sss.pgh.pa.us> 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.
merlin