Any reason why you need the space back? What is wrong with space remaining
constant at 4GB.
From: Job <j...@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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