On Thu, Apr 11, 2019 at 11:13:17AM -0600, Michael Lewis wrote: > Wouldn't "dead but not yet removable" be high if there were long running > transactions holding onto old row versions?
You got it right. You need to look at the number behind the tuples dead, but not removable which is usually a pattern caused by long running transactions holding snapshot references which prevents autovacuum and/or vacuum to do their homework. -- Michael
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