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mysql metadata lock lock metadata lock status flow diagram is what kind of, I believe many inexperienced people are helpless about this, this article summarizes the causes of the problem and solutions, through this article I hope you can solve this problem.

preface

MySQL database metadata lock is also an important part of the transaction system. In database operation and maintenance, it is necessary to thoroughly understand its related concepts. Presumably many students encountered business surge or volume surge during the operation and maintenance of mysql. Due to irregular operation, a large number of sql queries or dml waiting for metadata locks occur, resulting in slow business response.

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summary

metadata_locks is located in the performance_schema database

metadata_locks column lock_status identifies the current state of the lock

The state of the metadata lock has a complete life cycle, similar to human birth, aging, death and illness.

After reading the above content, do you know what kind of method the lock status lock_status flow diagram in mysql metadata lock is? If you still want to learn more skills or want to know more related content, welcome to pay attention to the industry information channel, thank you for reading!

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