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

From Amit Kapila
Subject Re: pg_stat_statements issue with parallel maintenance (Was Re: WALusage calculation patch)
Date
Msg-id CAA4eK1KRQnZnCwONuVpc6o=GjXU_vRcUfL-MEOWBKA-jzT7fvA@mail.gmail.com
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In response to Re: pg_stat_statements issue with parallel maintenance (Was Re: WALusage calculation patch)  (Masahiko Sawada <masahiko.sawada@2ndquadrant.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, 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.

-- 
With Regards,
Amit Kapila.
EnterpriseDB: http://www.enterprisedb.com



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