On Thu, Nov 9, 2017 at 4:17 PM, Andres Freund <and...@anarazel.de> wrote:
>> I don't follow you here. Why would REINDEXing make the rows that
>> should be dead disappear again, even for a short period of time?
>
> It's not the REINDEX that makes them reappear.

Of course. I was just trying to make sense of what you said.

> It's the second
> vacuum. The reindex part was about $user trying to fix the problem...
> As you need two vacuums with appropriate cutoffs to hit the "rows
> revive" problem, that'll often in practice not happen immediately.

This explanation clears things up, though.

-- 
Peter Geoghegan


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