Simon Riggs <si...@2ndquadrant.com> writes:
> On Tue, Jul 26, 2011 at 7:24 PM, Alvaro Herrera
> <alvhe...@commandprompt.com> wrote:
>> Signals are already in use for special cases (queue is full), and I
>> think going through the kernel to achieve much more will lower
>> performance significantly.
> If there are no invalidations, there would be no signals. How would
> zero signals decrease performance?
But if there *is* an invalidation (which is not a negligible case),
it'd get significantly slower.
regards, tom lane
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