Implementing Point-in-Time Recovery (PITR) in PostgreSQL 16 with scripts involves several steps:
-
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
-
Take a Base Backup:
pg_basebackup -h localhost -D /path_to_backup_directory -U postgres -Fp -Xs -P
-
Restore Procedure:
- Stop the PostgreSQL server if it's running.
-
Create a
recovery.conf
file or usestandby.signal
andpostgresql.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.
-
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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