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Re: How to resolve "Lock wait timeout exceeded" issue reported by MySQL Cluster
Posted by: Ted Wennmark
Date: June 14, 2016 01:49AM

Hi Steven,

There are several timeouts protecting NDB.
You most likely hit the limit of TransactionDeadlockDetectionTimeout if you are using NDBCLUSTER storage engine.
More details can be found here:
The default value is only 1.2 seconds, this is low per default to prevent long running transaction holding to many locks. Be careful setting value of TransactionDeadlockDetectionTimeout to high.

Kind Regards,

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