public inbox for [email protected]  

help / color / mirror / Atom feed

From: Ron Johnson <[email protected]>
To: Durgamahesh Manne <[email protected]>
Cc: pgsql-general <[email protected]>
Subject: Re: Table bloat threshold limit to trigger repack
Date: Sun, 8 Feb 2026 02:45:37 -0500
Message-ID: <CANzqJaAO4AbdceTA=4bmSA4sCG6viP28hDeeYjYOUe=jzLVbmg@mail.gmail.com> (raw)
In-Reply-To: <CAJCZkoK-ipKCuiLuc=S=nrNVCPnbsKAUOs6cS9=1kdftcBQFPw@mail.gmail.com>
References: <CAJCZkoJF-97BatLoVf1SUBTAX8BrSeX0dgZS+tBOM2imNnGRFQ@mail.gmail.com>
	<CANzqJaCoH2My0YU9cKDDAtSx5vsTyXcpVH9y7WxZCddNmRPU8w@mail.gmail.com>
	<CAJCZkoK-ipKCuiLuc=S=nrNVCPnbsKAUOs6cS9=1kdftcBQFPw@mail.gmail.com>

On Sun, Feb 8, 2026 at 12:43 AM Durgamahesh Manne <[email protected]>
wrote:

> On Sun, 8 Feb, 2026, 10:59 Ron Johnson, <[email protected]> wrote:
>
>> On Sat, Feb 7, 2026 at 11:19 PM Durgamahesh Manne <
>> [email protected]> wrote:
>>
>>> Hi
>>>
>>> How much table bloat is acceptable before it affects performance in
>>> PostgreSQL?
>>>
>>
>> How big is the table? (For small tables, it doesn't matter.) How active
>> is it?  How frequently are records updated?
>>
>> --
>> Death to <Redacted>, and butter sauce.
>> Don't boil me, I'm still alive.
>> <Redacted> lobster!
>>
>
>
> Hi
>
> Table size 100gb
> I use pgstattuple_approx to get Table bloat is about 16gb as of now since
> after repack is done on 27th of January
> Fillfactor already in place
> It's very critical application with updates on non partitioned table
>

What did you set the fillfactor to?
Have you minimized the number of indexes?  (That lets HOT work better.)
How long does it take to VACUUM the table?

-- 
Death to <Redacted>, and butter sauce.
Don't boil me, I'm still alive.
<Redacted> lobster!

view thread (5+ 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]
  Subject: Re: Table bloat threshold limit to trigger repack
  In-Reply-To: <CANzqJaAO4AbdceTA=4bmSA4sCG6viP28hDeeYjYOUe=jzLVbmg@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