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This article introduces the relevant knowledge of "how to safely modify a line of code in the case of web concurrency". In the operation process of actual cases, many people will encounter such difficulties. Next, let Xiaobian lead you to learn how to deal with these situations! I hope you can read carefully and learn something!

Single web application case

jdk native lock support, synchronized, lock interface

cas mechanism

distributed lock

Distributed locking based on exceptions

Lock based on listening, efficient, but resource intensive

database, performance check

redis, deadlocks are easy to occur

Main recommendation zk

"How to safely modify a line of code in the case of web concurrency" is introduced here. Thank you for reading. If you want to know more about industry-related knowledge, you can pay attention to the website. Xiaobian will output more high-quality practical articles for everyone!

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