Tag: autovacuum

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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 […]

"LOCK TABLE" can harm your database's health

by Laurenz Albe | 03.2019
  Many people know that explicit table locks with LOCK TABLE are bad style and usually a consequence of bad […]

Autovacuum wraparound protection in PostgreSQL

by Hans-Jürgen Schönig | 08.2017
Autovacuum is maybe one of the most beloved, but also one of the most misunderstood features in the PostgreSQL world. […]
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