Zookeeper (five) application scenario (middle) database & redis realize distributed lock principle + implementation - Code World

Zookeeper (five) application scenario (middle) database & redis realize distributed lock principle + implementation

Others 2021-01-24 15:50:46 views: null

Distributed lock: concurrent operation reduces inventory

Single-machine thread safety lock:
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database realizes distributed lock:

redis realizes distributed lock:

redis distributed lock deadlock problem: if an exception occurs during program execution and the redis key is not deleted, a deadlock problem
solution will occur . Add expiration time to key
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Origin blog.csdn.net/nikyae/article/details/112169618

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