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Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org>
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Suguru Hirahara
2024-12-01 02:28:06 +09:00
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docs/maintenance-postgres.md
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@ -30,7 +30,6 @@ You can then proceed to write queries. Example: `SELECT COUNT(*) FROM users;`
**Be careful**. Modifying the database directly (especially as services are running) is dangerous and may lead to irreversible database corruption. When in doubt, consider [making a backup](#backing-up-postgresql).
## Vacuuming PostgreSQL
Deleting lots data from Postgres does not make it release disk space, until you perform a [`VACUUM` operation](https://www.postgresql.org/docs/current/sql-vacuum.html).
@ -50,7 +49,6 @@ Example playbook invocations:
- `just run-tags run-postgres-vacuum`: runs the default `vacuum-complete` preset and restarts all services
- `just run-tags run-postgres-vacuum -e postgres_vacuum_preset=analyze`: runs the `analyze` preset with all services remaining operational at all times
## Backing up PostgreSQL
To automatically make Postgres database backups on a fixed schedule, see [Setting up postgres backup](configuring-playbook-postgres-backup.md).
@ -70,7 +68,6 @@ If you are using an [external Postgres server](configuring-playbook-external-pos
Restoring a backup made this way can be done by [importing it](importing-postgres.md).
## Upgrading PostgreSQL
Unless you are using an [external Postgres server](configuring-playbook-external-postgres.md), this playbook initially installs Postgres for you.
@ -96,7 +93,6 @@ If you have plenty of space in `/tmp` and would rather avoid gzipping, you can e
**All databases, roles, etc. on the Postgres server are migrated**.
## Tuning PostgreSQL
PostgreSQL can be [tuned](https://wiki.postgresql.org/wiki/Tuning_Your_PostgreSQL_Server) to make it run faster. This is done by passing extra arguments to the Postgres process.