Re: pg_stat_statements issue with parallel maintenance (Was Re: WALusage calculation patch) - Mailing list pgsql-hackers

From Masahiko Sawada
Subject Re: pg_stat_statements issue with parallel maintenance (Was Re: WALusage calculation patch)
Date
Msg-id CA+fd4k5EK6ko-k_MnPiRp1R=4YV4poBGUAuNbA5qwnXvZSaMVw@mail.gmail.com
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In response to Re: pg_stat_statements issue with parallel maintenance (Was Re: WALusage calculation patch)  (Amit Kapila <amit.kapila16@gmail.com>)
Responses Re: pg_stat_statements issue with parallel maintenance (Was Re: WALusage calculation patch)  (Masahiko Sawada <masahiko.sawada@2ndquadrant.com>)
List pgsql-hackers
On Tue, 7 Apr 2020 at 17:42, Amit Kapila <amit.kapila16@gmail.com> wrote:
>
> On Tue, Apr 7, 2020 at 1:30 PM Masahiko Sawada
> <masahiko.sawada@2ndquadrant.com> wrote:
> >
> > Buffer usage statistics seem correct. The small differences would be
> > catalog lookups Peter mentioned.
> >
>
> Agreed, but can you check which part of code does that lookup?  I want
> to see if we can avoid that from buffer usage stats or at least write
> a comment about it, otherwise, we might have to face this question
> again and again.

Okay, I'll check it.

Regards,

-- 
Masahiko Sawada            http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services



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