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mysql
2 postsShopify Ditched Redis for MySQL in Inventory Reservations at Scale
Shopify moved its checkout inventory reservation system from Redis to MySQL, using SKIP LOCKED, composite keys and isolation tuning to scale through Black Friday peak traffic.
Concurrency vs. Throughput: Why More Parallelism Can Slow Down Databases
A long-running transaction in a MySQL database led to significant performance issues. Key insights on managing concurrency and throughput.
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