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Tag: vacuum

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Here you can find all blog posts about the Tag: vacuum. You can go back to all blog posts or take a look into our other categories & tags.

GRANT VACUUM, ANALYZE in PostgreSQL 16

by Pavlo Golub | 11.2022
What is GRANT VACUUM, ANALYZE? PostgreSQL uses table VACUUM and ANALYZE commands to optimize the database. The VACUUM command reclaims […]

VACUUM does not shrink my PostgreSQL table

by Hans-Jürgen Schönig | 10.2022
Did you ever wonder why VACUUM does not make your PostgreSQL tables smaller? Did you ever wonder why VACUUM does […]

Disabling autocommit in PostgreSQL can damage your health

by Laurenz Albe | 06.2021
  When analyzing customer's problems, I have seen the mess you can get into if you disable autocommit in your […]

Enabling and disabling autovacuum in PostgreSQL

by Hans-Jürgen Schönig | 06.2021
UPDATED August 2023: Autovacuum has been part of PostgreSQL for a long time. But how does it really work? Can […]

zheap: Inspecting storage sizes

by Hans-Jürgen Schönig | 10.2020
To dig a bit deeper into zheap and PostgreSQL storage technology in general I decided to provide some more empirical […]

zheap: Reinvented PostgreSQL storage

by Hans-Jürgen Schönig | 10.2020
In PostgreSQL table bloat has been a primary concern since the original MVCC model was conceived. Therefore we have decided […]

Tuning PostgreSQL autovacuum

by Laurenz Albe | 08.2020
  In many PostgreSQL databases, you never have to think or worry about tuning autovacuum. It runs automatically in the […]

7 things that could be improved in PostgreSQL

by CYBERTEC Guest | 04.2020
By Kaarel Moppel - UPDATED by Laurenz Albe 06.07.2023 - See what progress has been made What are PostgreSQL's weaknesses? […]

PostgreSQL v13 new feature: tuning autovacuum on insert-only tables

by Laurenz Albe | 04.2020
  Most people know that autovacuum is necessary to get rid of dead tuples. These dead tuples are a side […]

Discovering less-known PostgreSQL v12 features

by CYBERTEC Guest | 11.2019
By Kaarel Moppel Version 12 of PostgreSQL is not exactly fresh out of the oven, as the first minor release […]
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