Topic digest

MySQL news and developer summaries

Discover MySQL query optimization techniques, replication strategies, and administration. Our digest aggregates JSON support, performance tuning, and master-slave configurations from database administrator communities across Hacker News and Reddit.

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The infamous 20 year old MySQL Bug #11472 has been fixed.
01Monday, May 25, 2026

The infamous 20 year old MySQL Bug #11472 has been fixed.

A persistent MySQL bug, identified in 2005, caused triggers to fail during cascading foreign key operations. After 20 years of community discussion and controversy regarding database integrity, the issue has finally been resolved as part of WL#17024, enabling triggers on referenced tables during cascade events.

Summaries are AI-generated to help you scan faster. Open the original source for full context.

Sources:Reddit1804 pts
We replaced Redis with MySQL for inventory reservations — and it scaled
02Thursday, May 21, 2026

We replaced Redis with MySQL for inventory reservations — and it scaled

Shopify replaced its Redis-based inventory reservation system with a MySQL-powered solution using SKIP LOCKED. By optimizing index design, transactional isolation, and connection management, they eliminated overselling risks while maintaining high-throughput concurrency during peak sales. The transition leveraged shadow mode monitoring to ensure scalability and ACID compliance across critical checkout operations.

Summaries are AI-generated to help you scan faster. Open the original source for full context.

Sources:Reddit339 pts

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