Day 8: PostgreSQL 18 Backup Restore with pgBackRest
📘 What is pgBackRest?
pgBackRest is a powerful open-source backup and recovery solution designed specifically for PostgreSQL databases.
It provides:
Reliable backups
Fast restore operations
Point-in-Time Recovery (PITR)
WAL archiving
Compression & encryption
Incremental and differential backups
It is widely used in production environments for disaster recovery and high availability setups.
✨ Key Features of pgBackRest
🔹 Reliable Backups
Supports:
Full backups
Differential backups
Incremental backups
Ensures consistent backups for large databases
🔹 Parallel Backup & Restore
Uses multi-threading for faster operations
🔹 Compression & Encryption
Backup compression saves storage space
Supports AES-256 encryption
🔹 WAL Archiving
Enables Point-in-Time Recovery (PITR)
🔹 Remote Backup Support
Backup/restore over SSH
🔹 Backup Integrity Validation
Detects corruption and validates backups
🔹 Scalable Architecture
Suitable for:
Small deployments
Enterprise multi-terabyte clusters
🏗 How pgBackRest Works
📌 Stanza Configuration
A stanza represents a PostgreSQL cluster configuration.
It contains:
Database path
Backup repository path
Backup parameters
📌 Backup Types
------------------- + ------------------------------ +
| Backup Type | Description |
------------------- + ------------------------------ +
| Full Backup | Complete database copy |
| Differential Backup | Changes since last full backup |
| Incremental Backup | Changes since last backup |
------------------- + ------------------------------ +
🎯 Use Cases of pgBackRest
✅ Disaster Recovery
✅ High Availability Environments
✅ Compliance & Security
✅ Large Database Backup Management
⚖ pgBackRest vs pg_dump
------------- + ------------------------------- + --------- +
| Feature | pgBackRest | pg_dump |
------------- + ------------------------------- + --------- +
| Backup Type | Full, Incremental, Differential | Full Only |
| Compression | Yes | Yes |
| Encryption | Yes (AES-256) | No |
| Backup Speed | Fast (Parallel) | Slower |
| WAL Archiving | Yes | No |
| PITR Support | Yes | No |
------------- + ------------------------------- + --------- +
🛠 Prerequisites
Before starting, ensure you have:
PostgreSQL 18 installed
Ubuntu 24.04 LTS
A sudo user
PostgreSQL superuser access
Network connectivity (for remote backups)
✅ Conclusion
You have successfully:
Installed PostgreSQL 18
Installed pgBackRest
Configured WAL archiving
Performed:
Full backups
Differential backups
Incremental backups
Tested restore procedures
Automated backups using cron
With proper backup validation and recovery testing, your PostgreSQL environment is now far more resilient and production-ready. 🚀
--------------------------------------------------------------------
######## ⚠️ Disclaimer / अस्वीकरण ########
This video is created for educational & informational purposes only under Fair Use (Section 107, Copyright Act 1976). All trademarks and logos belong to their respective owners. No copyright infringement intended.
📩 For copyright concerns: [email protected]
🌐 Follow & Support:
🎥 YouTube: / @chiragmahtoofficial
📷 Instagram: / chirag_._mahto
💼 LinkedIn: / chittrmahto
📘 Facebook: / chittrmahto
💬 WhatsApp Channel: https://whatsapp.com/channel/0029VbBg...
💬 Telegram Channel: https://t.me/+GAATbmOU4z1mMDY9
📘 Follow the process exactly as shown in the video.
💬 Questions? Drop them in the comments!
🔔 LIKE • SHARE • COMMENT • SUBSCRIBE @ChiragMahtoOfficial ❤️
💫 Chitt Ranjan Mahto (“CHIRAG”) 💫
🌍 https://chiragmahto.blogspot.com
🌍 https://chiragmahto.wordpress.com
#chiragmahtooffcial #chiragtutorial #chirag #chittranjanmahto #chiragmahto #postgresql #postgresql18 #pgbackrest #backuprestore #databasebackup #postgresbackup #restoredatabase #sqltutorial #devops #day8