23 февр. 2013 г. · I don't think you need to manually vacuum, unless you start to see performance degradation. However, I would strongly recommend to review your vacuum and ...

25 янв. 2023 г. · There can only be a single VACUUM running on a table at any given time. If you start two, the second will be blocked until the first is done ...

27 июл. 2022 г. · Autovacuum is a VACUUM without the FULL and is normally configured in the postgresql.conf file. VACUUM takes a SHARE UPDATE EXCLUSIVE lock.

16 июл. 2014 г. · VACUUM FULL is necessary to reclaim physical space after purging. Yes, if you want to return that space to the OS or use it in other tables.

31 июл. 2017 г. · You can't run VACUUM from inside a function because of memory-management limitations. In current sources there is an error check to prevent you from trying.

1 июн. 2012 г. · It is still a good idea to run a manual ANALYZE between a bulk UPDATE / INSERT / DELETE and immediately following big queries.

20 янв. 2020 г. · If you have hot_standby_feedback = on, a manual VACUUM won't delete the dead row versions if there is a long running query on the standby.

12 мая 2013 г. · You generally only need to run VACUUM FULL if you're trying to recover from severe table bloat caused by a long-running <IDLE> in transaction connection.

28 июн. 2024 г. · A vacuum process triggered by auto vacuum daemon (PostgreSQL13) on one of our table took long 1.5hr to complete. During this period there was high WAL rate up ...

21 июн. 2019 г. · The default settings in 9.4 are very low (64MB, which only allows 11M tuples to be vacuumed per pass over the index), unless RDS (or you) changed them.