>>>>> "BM" == Bruce Momjian <[EMAIL PROTECTED]> writes:

BM> I think it all depends on your working set.  Having shared memory be
BM> smaller than you working set causes pages to have to be copied in from
BM> the kernel buffers (not a huge problem, but a small penalty), while
BM> having shared memory larger than the working set causes overhead of
BM> searching through all those buffers.

i.e., It is a black art, and no single piece of advice can be taken in
isolation ;-(

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