dbaplus Community
Sep 14, 2025 · Databases
Why MySQL Updates Sometimes Disappear: InnoDB Read View Explained
A nighttime incident revealed that a MySQL transaction updated a row but subsequent reads returned the old value, prompting a deep investigation that uncovered InnoDB’s repeatable‑read snapshot behavior, concurrent updates, and how MySQL may skip updates when data appears unchanged, along with reproducible steps and mitigation advice.
InnoDBMySQLRead View
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