public inbox for [email protected]
help / color / mirror / Atom feedFrom: Marcin Giedz <[email protected]>
To: Johnathan Tiamoh <[email protected]>
Cc: Tomas Vondra <[email protected]>
Cc: pgsql-generallists.postgresql.org <[email protected]>
Subject: Re: Performance degradation after upgrading from 9.5 to 14
Date: Wed, 17 Apr 2024 19:38:57 +0200
Message-ID: <CAEJ6yN3CghLmJ5fhGCLRM3zw6qRjmffk+M-CJxOboTyvT4X0qw@mail.gmail.com> (raw)
In-Reply-To: <CACoPQdZ1AfRQoAf=Zw+H-bffR_g4m3vV4=O+p64b--_cqKS_-g@mail.gmail.com>
References: <CACoPQdb02ePEEdxGifTWWypke10tao_tKBmwi+7tu7KVkPdDuA@mail.gmail.com>
<[email protected]>
<CACoPQdZ1AfRQoAf=Zw+H-bffR_g4m3vV4=O+p64b--_cqKS_-g@mail.gmail.com>
how about this:
jit = off ?
Marcin
On Wed, 17 Apr 2024 at 19:33, Johnathan Tiamoh <[email protected]>
wrote:
> 1) How did you upgrade? pg_dump or pg_upgrade?
>
> I use pg_ugrade with kink option.
>
> 2) Did you run ANALYZE to collect statistics after the upgrade?
>
>
> Yes. I ran vacuumdb-analyze in stages after the upgrade
>
> 3) Did you transfer the configuration, or did you just create a new
> cluster with the default values?
>
> I transfer the configuration
>
> 4) What exactly is slower? Queries? Inserts?
>
> queries
>
> 5) Can you quantify the impact? Is it 2x slower? 100x slower?
>
> it's more than 5 times slower than before. Very high load averages
>
> On Wed, Apr 17, 2024 at 1:25 PM Tomas Vondra <
> [email protected]> wrote:
>
>> On 4/17/24 19:13, Johnathan Tiamoh wrote:
>> > Hello,
>> >
>> >
>> > I performed an upgrade from postgresql-9.5 to postgresql-14 and the
>> > performance has degraded drastically.
>> >
>> > Please, is they any advice on getting performance back ?
>> >
>>
>> There's very little practical advice we can provide based on this
>> report, because it's missing any useful details. There's a number of
>> things that might have caused this, but we'd have to speculate.
>>
>> For example:
>>
>> 1) How did you upgrade? pg_dump or pg_upgrade?
>>
>> 2) Did you run ANALYZE to collect statistics after the upgrade?
>>
>> 3) Did you transfer the configuration, or did you just create a new
>> cluster with the default values?
>>
>> 4) What exactly is slower? Queries? Inserts?
>>
>> 5) Can you quantify the impact? Is it 2x slower? 100x slower?
>>
>>
>> regards
>>
>>
>> --
>> Tomas Vondra
>> EnterpriseDB: http://www.enterprisedb.com
>> The Enterprise PostgreSQL Company
>>
>
view thread (9+ messages) latest in thread
reply
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Reply to all the recipients using the --to and --cc options:
reply via email
To: [email protected]
Cc: [email protected], [email protected], [email protected], [email protected]
Subject: Re: Performance degradation after upgrading from 9.5 to 14
In-Reply-To: <CAEJ6yN3CghLmJ5fhGCLRM3zw6qRjmffk+M-CJxOboTyvT4X0qw@mail.gmail.com>
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
This inbox is served by agora; see mirroring instructions
for how to clone and mirror all data and code used for this inbox