Parallelism comes to VACUUM

September 2, 2020/1 Comment/in 2ndQuadrant, Masahiko's Planet PostgreSQL, PostgreSQL, PostgreSQL 13 /by Masahiko Sawada

Vacuum is one of the most important features for reclaiming deleted tuples in tables and indexes. Without vacuum, tables and indexes would continue to grow in size without bounds. This blog post describes the PARALLEL option for VACUUM command, which is newly introduced to PostgreSQL13.  Vacuum Processing Phases Before discussing the new option in depth […]