From: | Durgamahesh Manne <maheshpostgres9(at)gmail(dot)com> |
---|---|
To: | Ron Johnson <ronljohnsonjr(at)gmail(dot)com> |
Cc: | Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at>, pgsql-general <pgsql-general(at)lists(dot)postgresql(dot)org> |
Subject: | Re: Regarding fillfactor use case for only delete ops |
Date: | 2025-06-06 23:04:21 |
Message-ID: | CAJCZkoKiRAjeCZKdEtZq054kdk0RpGF50gqwh7msLdogo5JOAw@mail.gmail.com |
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Lists: | pgsql-general |
On Fri, Jun 6, 2025 at 7:29 PM Ron Johnson <ronljohnsonjr(at)gmail(dot)com> wrote:
> On Fri, Jun 6, 2025 at 8:57 AM Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at>
> wrote:
>
>> On Fri, 2025-06-06 at 14:10 +0530, Durgamahesh Manne wrote:
>> > Can we generate a fill factor for tables that have delete ops ?
>> >
>> > Does the fill factor really work and help to minimize the bloat for
>> tables that have delete ops?
>> >
>> > I have parent table with weekly partitions So for every week 50 to 60
>> gb of bloat generates and autovacuum params already in place for child
>> tables
>>
>> Nothing can ever avoid bloat caused by DELETE, except partitioning in a
>> way that you can drop a partition rather than running DELETE.
>>
>>
> Laurenz,
>
> Isn't the fill factor aimed at reducing bloat during updates of HOT tables?
>
> --
> Death to <Redacted>, and butter sauce.
> Don't boil me, I'm still alive.
> <Redacted> lobster!
>
Hi
I believe that fill factor works exclusively for updates of HOT tables but
not for delete ops
Regards,
Durga Mahesh
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