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Change of record locks organization in InnoDB
Posted by: Jiamin Huang
Date: February 06, 2016 07:43PM

I am looking into the source code of InnoDB and I have a question. Currently all the record level locks are stored in a hash table. Also, locks with the same rec_fold value are stored in the same linked list. Does changing the data structure for lock objects from list to heap affects the performance and correctness of MySQL? If so, which parts are going to be affected?

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Change of record locks organization in InnoDB
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February 06, 2016 07:43PM


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