Re: Performance degradation after upgrading from 9.5 to 14

From: David Rowley <dgrowleyml(at)gmail(dot)com>
To: Олександр Янін <aleksandr(dot)janin(at)privatbank(dot)ua>
Cc: Johnathan Tiamoh <johnathantiamoh(at)gmail(dot)com>, "pgsql-generallists(dot)postgresql(dot)org" <pgsql-general(at)lists(dot)postgresql(dot)org>
Subject: Re: Performance degradation after upgrading from 9.5 to 14
Date: 2024-04-22 21:43:47
Message-ID: CAApHDvqJK+ARTYLYeS-C1i_seVbcp0nfCVbxu960nGpssFJA+w@mail.gmail.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-general

On Tue, 23 Apr 2024 at 07:01, Олександр Янін
<aleksandr(dot)janin(at)privatbank(dot)ua> wrote:
> Try setting enable_memoize to off.
> Our practice has shown that enabling this parameter by default often resulted in less than optimal query plans in the cache.

It would be good to see a thread opened with details on this. I
understand incorrect statistics can cause this but if there are other
reasons, it would be good to know what they are.

David

In response to

Browse pgsql-general by date

  From Date Subject
Next Message Ron Johnson 2024-04-22 21:44:43 Re: issue with reading hostname
Previous Message Atul Kumar 2024-04-22 21:37:32 Re: issue with reading hostname