From: "Alvaro Herrera" <alvhe...@2ndquadrant.com>
Is this supposed to be session-local data, or is it visible from remote sessions too? How durable is it supposed to be? Keep in mind that in case of a crash, all pgstats data is erased.
I want it to be visible from other sessions. I'm okay about the data erasure during recovery. We can probably extend pg_statsinfo to save the new info for long-term trend analysis. TBH, I want a feature like pg_statsinfo in core.
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