* Tom Lane (t...@sss.pgh.pa.us) wrote: > Stephen Frost <sfr...@snowman.net> writes: > > I wonder if it would help to actually tell the OS to read in buffers > > that we're *evicting*... On the general notion that if the OS already > > has them buffered then it's almost a no-op, and if it doesn't and it's > > actually a 'hot' buffer that we're gonna need again shortly, the OS will > > have it. > > But if it's actually gone cold, you're just forcing unnecessary read I/O, > not to mention possibly causing something slightly warmer to be lost from > kernel cache.
Certainly possible- see the email I just sent about another thought
around this.
Obviously, none of these thoughts are really fully formed solutions and
are, instead, just speculation and ideas.
Thanks,
Stephen
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