Tom Lane wrote:
Gavin Sherry <[EMAIL PROTECTED]> writes:

I haven't had time to prototype whether we can easily implement async IO


Just as with any suggestion to depend on threads, you are going to have
to show results that border on astounding to have any chance of getting
this in.  Otherwise the portability issues are just going to make it not
worth the trouble.

Do these ideas require threads in principle? ISTM that there could be (additional) process(es) waiting to perform pre-fetching or async io, and we could use the usual IPC machinary to talk between them...

cheers

Mark

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