Postgres (Patroni) Service
- Service Overview
- Alerts: https://alerts.gitlab.net/#/alerts?filter=%7Btype%3D%22patroni%22%2C%20tier%3D%22db%22%7D
- Label: gitlab-com/gl-infra/production~“Service::Patroni”
Logging
Section titled “Logging”Durability
Section titled “Durability”WAL receiver (a VM per cluster that keeps a live copy of its WAL):
- Hand over to a new primary without losing writes
- Save the old primary’s files before it starts again
- Restore with the receiver’s files
- The receiver was off too long and its slot is lost
- The replication password changed
- wal-g upgrade or compression change