Re: shared-memory based stats collector - v70 - Mailing list pgsql-hackers

From Michael Paquier
Subject Re: shared-memory based stats collector - v70
Date
Msg-id Yld2xE1aEGmP3hgO@paquier.xyz
Whole thread Raw
In response to Re: shared-memory based stats collector - v70  ("David G. Johnston" <david.g.johnston@gmail.com>)
List pgsql-hackers
On Wed, Apr 13, 2022 at 04:56:45PM -0700, David G. Johnston wrote:
> Sorry, apparently this "2000-01-01" behavior only manifests after crash
> recovery on v15 (didn't check v14); after a clean initdb on v15 I got the
> same initdb timestamp.
>
> Feels like we should still report the "end of crash recovery timestamp" for
> these instead of 2000-01-01 (which I guess is derived from 0) if we are not
> willing to produce null (and it seems other parts of the system using these
> stats assumes non-null).

I can see this timestamp as well after crash recovery.  This seems
rather misleading to me.  I have added an open item.
--
Michael

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