How do PostgreSQL's VACUUM optimizations affect dead tuple metrics? Find out why they might persist or reappear when using VACUUM.
Enabling and disabling autovacuum in PostgreSQL
UPDATED Aug 2023: How to enable and disable autovacuum in PostgreSQL: How does autovacuum really work? Can you simply turn it on and off?
zheap: Inspecting storage sizes
Let's dig a bit deeper into zheap: it's more efficient in terms of storage consumption. The tuple header is smaller, alignment is better.
zheap: Reinvented PostgreSQL storage
zheap is a way to keep table bloat under control by implementing a storage engine capable of running UPDATE-intense workloads a lot more efficiently.
"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
Learn about one of the most misunderstood features in the PostgreSQL world: AUTOVACUUM and its “to prevent wraparound” notice.
