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From: Laurenz Albe <[email protected]>
To: Raj <[email protected]>
To: Pgsql-admin <[email protected]>
Subject: Re: Slowness
Date: Mon, 13 Apr 2026 15:02:26 +0200
Message-ID: <[email protected]> (raw)
In-Reply-To: <CAJk5AtZvkEdQsGLOEBAXuFv085End7H2T7SGkaEfTO1+QEARPw@mail.gmail.com>
References: <CAJk5AtZvkEdQsGLOEBAXuFv085End7H2T7SGkaEfTO1+QEARPw@mail.gmail.com>

On Mon, 2026-04-13 at 18:25 +0530, Raj wrote:
> When customer says they are facing slowness, what all wee need to check in
> postgres db with 3 node patroni set up (sync between 1 and 2) - async with dr.
> 
> We recently migrated from oracle to postgres..vacuum analyze is done.
> 
> How to check this during the time slowness faced and also after couple of hrs of issue window.
> 
> Should we start with pgstatstatements and logs or how is it. Help.me hight level what all I need to check

You have to figure out *what exactly* is slow.  The customer has to tell you which
statements are slow. The parameter "log_min_duratoin_statement" might help.

Then you have to tune those statements.

Yours,
Laurenz Albe

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