Re: Know bloat percentage after auto vacuum - Mailing list pgsql-admin

From Laurenz Albe
Subject Re: Know bloat percentage after auto vacuum
Date
Msg-id b2fc8e664c475c0c08a12874ebeafaa3fa5e252e.camel@cybertec.at
Whole thread Raw
In response to Know bloat percentage after auto vacuum  (satish v <vuyyuru.satish59@gmail.com>)
Responses Re: Know bloat percentage after auto vacuum
List pgsql-admin
On Sat, 2021-10-30 at 21:33 +0530, satish v wrote:
> We have the table with 2 months data (approx 450GB). We deleted 17 days of data and auto vacuum
> performed on the table.new insertions are utilizing  that space,we want to perform the vacuum full
> and reclaim the space at os level but don't know how much free (unused) space available.how can we get the details.

CREATE EXTENSION pgstattuple;

SELECT tuple_percent, dead_tuple_percent, free_percent
FROM pgstattuple('table_name');

Yours,
Laurenz Albe
-- 
Cybertec | https://www.cybertec-postgresql.com




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