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AI-generatedStock Decrement Locking – Latency Spikes During Concurrent Checkouts
Stock Decrement Locking WooCommerce’s core stock management uses a row‑level lock (SELECT … FOR UPDATE) when a product’s quantity is decremented during checkout. The lock is intended to serialize concurrent updates to the same product row. When hundreds of users attempt to purchase the same item simultaneously, the lock can serialize the requests, causing no
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