A timeout and a deadlock are not the same event. A timeout says an operation waited or ran beyond its limit.
A timeout and a deadlock are not the same event. A timeout says an operation waited or ran beyond its limit. A deadlock occurs when two operations hold resources the other needs, and the database engine cancels one to break the cycle. Extending timeout may hide load but cannot fix a deadlock.
Capture the query, parameters without personal data, start and finish time, code path, touched tables, and request ID. Look for a pattern: a slow operation after a heavy report, a batch update while users edit, or two flows locking tables in opposite order. Fix indexing, transaction scope, and a consistent access order first, then tune waits to a real process.
An operation stopped by a deadlock may sometimes be retried, but only when safe to repeat and protected by a unique identifier. A charge or order creation needs a status check before retry; otherwise a technical fault becomes a business duplicate.
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Yehonatan Saadia
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I'm Yehonatan Saadia, a senior developer who builds business automation, custom websites, and MVPs for small and mid-sized companies across the US, Europe, and Israel. These guides come from real client work, not theory.
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