Re: Gather performance analysis - Mailing list pgsql-hackers

From Robert Haas
Subject Re: Gather performance analysis
Date
Msg-id CA+TgmoZY7ryr7fOcS9C5U79WCGscxUfgsRJMuc8tvYO=0Tr_zg@mail.gmail.com
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In response to Re: Gather performance analysis  (Dilip Kumar <dilipbalaut@gmail.com>)
List pgsql-hackers
On Fri, Sep 24, 2021 at 1:19 AM Dilip Kumar <dilipbalaut@gmail.com> wrote:
> I am looking at the "query-results.ods" file shared by Tomas, with a
> million tuple I do not really see where the patch hurts? because I am
> seeing in most of the cases the time taken by the patch is 60-80%
> compared to the head.  And the worst case with a million tuple is
> 100.32% are are we pointing to that 0.32% or there is something else
> that I am missing here.

The spreadsheet has two tabs. Flip to "xeon e5-2620v3" and scroll all
the way down.

-- 
Robert Haas
EDB: http://www.enterprisedb.com



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