From: | Michael Paquier <michael(at)paquier(dot)xyz> |
---|---|
To: | Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com> |
Cc: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Sergei Kornilov <sk(at)zsrv(dot)org>, nasbyj(at)amazon(dot)com, Andres Freund <andres(at)anarazel(dot)de>, Robert Haas <robertmhaas(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
Subject: | Re: pgsql: Improve autovacuum logging for aggressive and anti-wraparound ru |
Date: | 2018-10-02 00:11:51 |
Message-ID: | 20181002001151.GP11712@paquier.xyz |
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Lists: | pgsql-committers pgsql-hackers |
On Fri, Sep 28, 2018 at 01:53:14PM +0900, Masahiko Sawada wrote:
> I agree. Can we fix this simply by the attached patch?
Thanks for sending a patch.
+ /* autovacuum cannot be anti-wraparound and not aggressive vacuum */
+ Assert(aggressive);
+ msgfmt = _("automatic aggressive vacuum to prevent wraparound of table \"%s.%s.%s\": index scans: %d\n");
While adding this comment in lazy_vacuum_rel() is adapted, I think that
we ought to make the assertion check more aggressive by not having it
depend on if log_min_duration is set or not. So why not moving that to
a place a bit higher, where aggressive gets defined?
--
Michael
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