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Shiv Iyer
Shiv Iyer

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Step-by-Step Guide to Setting Up Point-in-Time Recovery in PostgreSQL 16 with Scripts

Implementing Point-in-Time Recovery (PITR) in PostgreSQL 16 with scripts involves several steps:

  1. Configure WAL Archiving (postgresql.conf):

    wal_level = replica
    archive_mode = on
    archive_command = 'cp %p /path_to_wal_archive/%f'  # Replace with your archive path
    
    
  2. Take a Base Backup:

    pg_basebackup -h localhost -D /path_to_backup_directory -U postgres -Fp -Xs -P
    
    
  3. Restore Procedure:

    • Stop the PostgreSQL server if it's running.
    • Create a recovery.conf file or use standby.signal and postgresql.conf for PostgreSQL 12+:

      touch /var/lib/postgresql/data/standby.signal
      echo "restore_command = 'cp /path_to_wal_archive/%f %p'" >> /var/lib/postgresql/data/postgresql.conf
      echo "recovery_target_time = '2023-04-13 14:55:00'" >> /var/lib/postgresql/data/postgresql.conf
      
      
- Start the PostgreSQL server.
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  1. Monitor Recovery:
    • Check PostgreSQL logs for the recovery process.

This script-based approach automates the setup for PITR, ensuring you have a consistent and reliable method for disaster recovery.

Learn more about PostgreSQL Troubleshooting: https://minervadb.xyz/optimizing-postgresql-a-comprehensive-guide-to-wait-events-and-performance-troubleshooting/

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