Disaster Recovery with Apache Iceberg

• The Catalog Is Missing or Points to the Wrong metadata.json → register_table to re-establish the link to your latest metadata.json.
• File Paths Have Changed During Restore → use rewrite_table_path to rewrite metadata and create a clean recovery copy

Best Practices for Iceberg Disaster Recovery

Implement proactive backup practices

• Always Backup Metadata and Data Together
• Track the Latest metadata.json in Every Backup
• Check for File Path Changes Before Recovery
• Automate Validation Post-Restore
• Dry-Run Your Recovery Plan

References

• Disaster Recovery for Apache Iceberg Tables – Restoring from Backup and Getting Back Online