Re: AW: running vacuumlo periodically - Mailing list pgsql-general

From Laurenz Albe
Subject Re: AW: running vacuumlo periodically
Date
Msg-id 68f1b81a26a8ca96f1b64c673d4dfd6d903af5f6.camel@cybertec.at
Whole thread Raw
In response to AW: running vacuumlo periodically  ("Zwettler Markus (OIZ)" <Markus.Zwettler@zuerich.ch>)
List pgsql-general
On Fri, 2021-01-29 at 15:44 +0000, Zwettler Markus (OIZ) wrote:
> I run "vacuumlo" in batches (-l) which worked well.
> 
> I found table "pg_catalog.pg_largeobjects" to be massively bloated afterwards.

Sure, that deletes entries from that table.

> I tried "vacuum full pg_catalog.pg_largeobjects" but run out of diskspace (although having 250G diskspace free;
databasesize = 400G).
 
> 
> Question:
> Will "vacuum full pg_catalog.pg_largeobjects" need less diskspace when "maintenance_work_mem" is increased?

No, it won't.  It will just be faster.
That sounds like your database consists almost exclusively of large objects...

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




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