Robert Haas <robertmh...@gmail.com> wrote: > Background freezing plays havoc with Hot Standby I must have missed or forgotten the issue of background vacuums and hot standby. Can you summarize why that's worse than hitting thresholds where autovacuum is freezing things? > this test is sufficient to show that eliminating hint bits > altogether would a significant regression on some workloads. That wasn't clear to me from what you posted -- I thought that the reduced performance might be partly (largely? mostly?) due to competition with the background writer's work pushing the hinted pages out. Maybe I'm missing something or you didn't post everything you observed in this regard.... -Kevin
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