Re: R: Vacuum full: alternatives? - Mailing list pgsql-general

But then autovaccum avoids this. Granted it won't give back free space to OS, but it won't let it grow too (or am I missing something).

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From: Job <Job@colliniconsulting.it>
To: Rakesh Kumar <rakeshkumar464a3@gmail.com>; "pgsql-general@postgresql.org" <pgsql-general@postgresql.org>
Sent: Monday, June 20, 2016 5:39 AM
Subject: R: [GENERAL] Vacuum full: alternatives?

Hi Rakesh,

 

if i do not free disk space, after some days disk can become full.

Everyday we have a lot of pg_bulkload and delete.

 

Thank you!
Francesco

 

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Da: pgsql-general-owner@postgresql.org [pgsql-general-owner@postgresql.org] per conto di Rakesh Kumar [rakeshkumar464a3@gmail.com]
Inviato: lunedì 20 giugno 2016 11.34
A: pgsql-general@postgresql.org
Oggetto: Re: [GENERAL] Vacuum full: alternatives?

Any reason why you need the space back? What is wrong with space remaining constant at 4GB.

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From: Job <Job@colliniconsulting.it>
To: "pgsql-general@postgresql.org" <pgsql-general@postgresql.org>
Sent: Monday, June 20, 2016 5:18 AM
Subject: [GENERAL] Vacuum full: alternatives?

Hello, 

we have a table with an heavy traffic of pg_bulkload and delete of records.
The size pass, in only one day, for example for 1Gb to 4Gb and then 1Gb back.

We have important problems on size and the only way to gain free space is issueing a vacuum full <table>.
But the operation is very slow, sometimes 2/4 hours, and table is not available for services as it is locked.

We do not delete everything at one (in this case the truncate woudl resolve the problem).

The autovacuum is not able (same for normal vacuum) to free the spaces.

Are there some suggestions or another way to manage this?

Thank you!
Francesco

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