Comment by gregors
5 years ago
I know there used to be some O(n^2) logic associated with notify. Anyone know if that ever got fixed? Cursory search only turns up https://postgrespro.com/list/thread-id/2407396
The benchmark shows that the time to send notifications grows
quadratically with the number of notifications per transaction without
the patch while it grows linearly with the patch applied and
notification collapsing disabled.
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