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> old method scaled (badly) on volume of notifications and your stuff
> seems to scale based on # of client's sending simultaneous
> notifications. Well, you're better all day long, but it shows that
> your fears regarding locking were not completely unfounded. Do the
> Burcardo people have any insights on the #of simultaneous notifies are
> generated from different backends?
Very low. On a busy system I know of there are about 90 entries in
pg_listener, and I would guess that the maximum rate of simulataneous
notifies is not more than 3 per second, tops. If someone knows an
easy way to measure such a thing and is really curious, I can see about
getting better numbers.
- --
Greg Sabino Mullane greg@turnstep.com
End Point Corporation
PGP Key: 0x14964AC8 200911162127
http://biglumber.com/x/web?pk=2529DF6AB8F79407E94445B4BC9B906714964AC8
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