| From: | Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> |
|---|---|
| To: | Andres Freund <andres(at)anarazel(dot)de> |
| Cc: | pgsql-hackers(at)postgresql(dot)org, Fujii Masao <fujii(at)postgresql(dot)org>, Kyotaro Horiguchi <horikyota(dot)ntt(at)gmail(dot)com>, melanieplageman(at)gmail(dot)com |
| Subject: | Re: Higher level questions around shared memory stats |
| Date: | 2022-04-03 11:34:00 |
| Message-ID: | 202204031134.5dbijyxdtzqx@alvherre.pgsql |
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| Lists: | pgsql-hackers |
On 2022-Apr-02, Andres Freund wrote:
> 6) Should any part of the "reuse_stats" logic in table_recheck_autovac() be
> kept?
>
> With the shared memory stats patch, autovacuum can cheaply access individual
> stats, so the whole scheme for avoiding stats accesses is moot.
Agreed, I don't think there's need to keep any of that.
> I don't really see a point in keeping any of it - but I was curious whether
> anybody else does?
I don't either.
> I'm still polishing, so I didn't want to send a whole new version with these
> adjustments to the list yet, but you can see the state as of the time of
> sending this email at [1].
I'll have a look, thanks.
--
Álvaro Herrera PostgreSQL Developer — https://www.EnterpriseDB.com/
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