DevOps 路 Write-up topic
Databases
Running databases yourself: setup, replication, backups and monitoring. 2 write-ups, newest first.
November 2025 2
- Self-Hosted MongoDB: Backups, Monitoring and Upgrades17 Nov 2025Backups you can actually restore, the metrics and alerts that matter, and a safe rolling upgrade procedure for a MongoDB 8.0 replica set.
- MongoDB 8.0
- mongodump
- Percona mongodb_exporter
- Prometheus
- Grafana
- Amazon S3
- Self-Hosted MongoDB 8.0: A Production Replica Set3 Nov 2025Design, prepare and build a three-member MongoDB 8.0 replica set on Ubuntu 24.04, with TLS, keyfile authentication, users and a failover test.
- MongoDB 8.0
- Ubuntu 24.04 LTS
- mongosh 2.x
- XFS
- OpenSSL