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SHOW ENGINE INNODB STATUS;
Look for the `LATEST DETECTED DEADLOCK` section to identify transactions that were involved in the error.
SELECT column_name, COUNT(*)
FROM table_name
GROUP BY column_name
HAVING COUNT(*) > 1;
Replace `columnname` and `tablename` with the actual column and table names involved in the transaction.
SET GLOBAL log
error
verbosity = 3;
After investigating, remember to set it back to its original level to avoid excessive logging.
6. If the duplicate error is related to a specific application function, review the code path for that functionality to ensure it does not inadvertently attempt the same transaction multiple times under certain conditions.
(Perfect for DevOps & SREs)
(Perfect for DevOps & SREs)
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(Perfect for DevOps & SREs)
(Perfect for DevOps & SREs)