On Mon, 2003-11-03 at 01:07, Neil Conway wrote:
> (1) As Manfred originally noted, when we advance to a new XLOG segment,
> we can use POSIX_FADV_DONTNEED to let the kernel know we won't be
> accessing the old WAL segment anymore. I've attached a quick kludge of a
> patch that implements this. I haven't done any benchmarking of it yet,
> though (comments or benchmark results are welcome).
Woops, the patch is attached.
-Neil