What does vacuumdb do?
The `vacuumdb` command is used to manage and optimize PostgreSQL or Greenplum database storage by performing a vacuum operation. Vacuuming helps reclaim storage space, prevent data bloat, and improve query performance.
Why is it important?
Regularly running the `vacuumdb` command is essential for maintaining database health and ensuring efficient database operations. It helps in reclaiming space from outdated or deleted data and updating statistics for query optimization.
How to use vacuumdb:
You can use the `vacuumdb` command to manage database storage. Here are some common usage examples:
Example: vacuumdb -d mydb
vacuumdb -d <dbname> [ -j <jobs> ] [ -t <table> ] [ -v ] [ --full ]
-d <dbname> - The name of the target database to vacuum.
-j <jobs> - The number of parallel jobs to run (optional).
-t <table> - The name of the specific table to vacuum (optional).
-v - Verbose mode, print detailed information (optional).
--full - Perform a full vacuum, including index rebuild (optional).