Tom Lane wrote:
If the stats collector gets sufficiently backed up, you will lose messages. [...] Please do not try to make piecemeal changes in that
basic design decision.

Fair enough.

> (Actually, we could skinny it down to backend PID only ...
but that would add a hashtable lookup to every message reception in
the stats collector, instead of just indexing into a BackendId array,
so it'd probably be a net loss.)

Yeah, I agree -- backend ID and database ID isn't too bad.

I've applied Magnus patch and bumped the catalog version. I'll take a look at reorganizing the statistics collector so that the message header is smaller shortly.


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