Yes it will decrease as it removes the fragmentation and dirty from existing table.
If you're in cloud environment, it can be done easily from cloud console
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From: Sabyasachi Mukherjee <mukherjee.sabyasachi@xxxxxxxxxxx>
Sent: Friday, June 28, 2024 9:58:34 AM
To: pgsql-admin@xxxxxxxxxxxxxx <pgsql-admin@xxxxxxxxxxxxxx>; pgsql-admin@xxxxxxxxxxxxxxxxxxxx <pgsql-admin@xxxxxxxxxxxxxxxxxxxx>
Subject: Free disk space decreasing after running Vaccum Full
Sent: Friday, June 28, 2024 9:58:34 AM
To: pgsql-admin@xxxxxxxxxxxxxx <pgsql-admin@xxxxxxxxxxxxxx>; pgsql-admin@xxxxxxxxxxxxxxxxxxxx <pgsql-admin@xxxxxxxxxxxxxxxxxxxx>
Subject: Free disk space decreasing after running Vaccum Full
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Hello All,
The disk space is decreasing drastically after running "Vaccum Full".
I was expecting increase of free disk space after running those commands. I am on Postgresql 16.1
Any guidance/advise?
Sabyasachi Mukherjee