Re: Need a depth information about bloat - Mailing list pgsql-general

From Rob Sargent
Subject Re: Need a depth information about bloat
Date
Msg-id D41C40D5-5CBF-4658-B067-FEB2CB401A58@gmail.com
Whole thread Raw
In response to Need a depth information about bloat  (Rama Krishnan <raghuldrag@gmail.com>)
Responses Re: Need a depth information about bloat
List pgsql-general

> On Aug 9, 2020, at 9:01 PM, Rama Krishnan <raghuldrag@gmail.com> wrote:
>
> 
> Hi Mentors,
>
>
> I am searching for an understanding of bloat in PostgreSQL
>
> What is bloat?
>
> How does it work?
>
> What is the use of bloat?
>
> Limitations of bloat?
>
> Thanks
>
> Rama Krishnan
Bloat is not a feature of postgreSQL, it’s a consequence. It has no redeeming value.
Updates to tuples generally cause a new tuples to be constructed and the original to be marked as disposable. It is the
jobof the vacuum process to rid the table of this record. Until this happens the marked record as part of the bloat for
thattable.  


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