PostgreSQL Backup Strategy
pg_dump running in a cron job is not a backup strategy. We implement continuous WAL archiving, base backups, point-in-time recovery, and automated restore testing for PostgreSQL — so you can recover to any second of any day.
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WAL Archiving and Continuous Backup
We configure PostgreSQL WAL (Write-Ahead Log) archiving to stream every transaction to S3, GCS, or a dedicated backup server. Tools like pgBackRest or WAL-G handle compression, encryption, and parallel uploads. Combined with periodic base backups via pg_basebackup, you get continuous protection — every committed transaction is captured within seconds of being written.
Point-in-Time Recovery (PITR)
PITR lets you restore your database to any specific timestamp — not just the last backup window. Accidentally ran DELETE FROM users without a WHERE clause at 14:32:07? We restore to 14:32:06. The recovery target is specified as a timestamp, transaction ID, or named restore point. We configure and test this workflow so your team can execute it under pressure.
Backup Storage and Retention
Base backups land in S3 with server-side encryption and versioning enabled. pgBackRest manages retention automatically — keep 7 daily, 4 weekly, and 12 monthly full backups. WAL segments are retained long enough to support PITR across the full retention window. Expired backups are pruned in the background. Total storage cost for a 100GB database with 30-day PITR: typically under $15/month.
Automated Restore Testing
Every week, an automated job restores the latest base backup plus WAL replay to a temporary PostgreSQL instance. It runs pg_isready, validates table counts against the production catalog, and executes application-specific health queries. Results post to Slack with pass/fail status. If a backup is corrupted, you know within 7 days — not when your production database crashes.
Why Anubiz Engineering
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Skip the research. Tell us what you need, and we'll scope it, implement it, and hand it back — fully documented and production-ready.