Streaming a pg_restore through Python without deadlocking

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Learn to stream a pg_restore through Python without deadlocking to efficiently restore large database dumps

intermediate Published 24 Jun 2026
Action Steps
  1. Read the database dump file object in chunks using Python
  2. Use the subprocess module to run pg_restore and stream the chunks to it
  3. Configure pg_restore to accept input from stdin
  4. Test the streaming process to ensure it works without deadlocking
  5. Apply error handling to manage potential issues during the restoration process
Who Needs to Know This

Database administrators and developers who work with PostgreSQL and Python can benefit from this technique to avoid deadlocks and improve database restoration efficiency

Key Insight

💡 Streaming the database dump in chunks prevents deadlocks and allows for efficient restoration of large databases

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💡 Stream pg_restore through Python to avoid deadlocks and efficiently restore large database dumps

Key Takeaways

Learn to stream a pg_restore through Python without deadlocking to efficiently restore large database dumps

Full Article

You want to restore a database dump that arrived as an upload — a file object, maybe gigabytes — and...
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