PostgreSQL: Documentation: 7.1: Multi-Version Concurrency Control

postgresql.org · 315 words · saved by 1 readers

Multi-Version Concurrency Control (MVCC) is an advanced technique for improving database performance in a multi-user environment. Vadim Mikheev ( ) provided the implementation for Postgres.

PostgreSQL: Documentation: 7.1: Multi-Version Concurrency Control July 16, 2026: PostgreSQL 19 Beta 2 Released! Documentation → PostgreSQL 7.1 Supported Versions: Current ( 18 ) / 17 / 16 / 15 / 14 Development Versions: 19 / devel Unsupported versions: 13 / 12 / 11 / 10 / 9.6 / 9.5 / 9.4 / 9.3 / 9.2 / 9.1 / 9.0 / 8.4 / 8.3 / 8.2 / 8.1 / 8.0 / 7.4 / 7.3 / 7.2 / 7.1 This documentation is for an unsupported version of PostgreSQL. You may want to view the same page for the current version, or one of the other supported versions listed above instead. PostgreSQL 7.1.3 Documentation Prev Next Ch

related reading

Multiversion concurrency control - Wikipediaen.wikipedia.org
An Overview of Distributed PostgreSQL... | Crunchy Data Blogcrunchydata.com
GitHub - jorzel/concurrency-control: In this repo I would like to show 4 strategies of concurrency control for writing data using Python SQLAlchemy ORM and PostgresSQL (however this examples could be easily transformed to plain SQL).github.com
Making 768 servers look like 1 — PlanetScaleplanetscale.com
DBMS Musings: It’s Time to Move on from Two Phase Commitdbmsmusings.blogspot.com
PostgreSQL rocks, except when it blocks: Understanding locks - Citus Datacitusdata.com
Blog — PlanetScaleplanetscale.com
Snapshot isolation - Wikipediaen.wikipedia.org
The only scalable delete in Postgres is DROP TABLE — PlanetScaleplanetscale.com
Making Postgres 42,000x slower because I am unemployedbyteofdev.com
PostgreSQL: Documentation: 18: 13.2. Transaction Isolationpostgresql.org
Exploring versions of the Postgres logical replication protocolblog.peerdb.io