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Database Engineering

Database Engineering news and updates on xSypher.

1 storyUpdated Nov 6, 2026

Zero-Downtime PostgreSQL Schema Migrations on 500GB+ Tables

A 2ms ALTER TABLE can still cause an outage. Use 50ms lock timeouts, NOT VALID constraints, and throttled keyset backfills to migrate 500GB+ Postgres tables.

Khizar MuzammilNov 6, 2026 · 26 min read

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