On Wed, Jan 18, 2023 at 1:02 PM Peter Geoghegan <p...@bowt.ie> wrote: > Some of what I'm proposing arguably amounts to deliberately adding a > bias. But that's not an unreasonable thing in itself. I think of it as > related to the bias-variance tradeoff, which is a concept that comes > up a lot in machine learning and statistical inference.
To be clear, I was thinking of unreservedly trusting what pgstat_report_analyze() says about dead_tuples in the event of its estimate increasing our dead_tuples estimate, while being skeptical (to a varying degree) when it's the other way around. But now I need to go think about what Andres just brought up... -- Peter Geoghegan
