AWS Database Blog
Tag: autovacuum
Understanding autovacuum in HAQM RDS for PostgreSQL environments
January 2025: This post was reviewed and updated for accuracy. PostgreSQL has become the preferred open-source relational database for many enterprise developers and startups, and powers leading business and mobile applications. HAQM Web Services (AWS) offers HAQM Relational Database Service (HAQM RDS) and HAQM Aurora as fully managed relational database services. HAQM RDS for PostgreSQL […]
A Case Study of Tuning Autovacuum in HAQM RDS for PostgreSQL
In a PostgreSQL database, the autovacuum process performs multiple critical maintenance operations. In addition to freezing the transaction ID to prevent it from wraparound, autovacuum also removes dead tuples to recover space usage. For databases with a high volume of write operations, it is recommended that you tune autovacuum to run frequently. Doing this helps […]