Implement the source code based on the SET NX distributed lock in Redis

Little scum · Posted on11 seconds ago

Requirements: In distributed microservice systems, distributed locks are often used for transactions, state changes and other operations.

review

[Actual combat] ASP.NET Core is based on Redis distributed lock flash sale
https://www.itsvse.com/thread-9397-1-1.html

.NET Core implements distributed locks based on Redis Lua [with source code]
https://www.itsvse.com/thread-9642-1-1.html

Redis SET Command Documentation:The hyperlink login is visible.

Atomic locking:SET key value EX seconds NX, NX -- Set it only if the key doesn't exist.

First of all, the item referencesStackExchange.Redispackage to connect to the Redis cache database.

For lockless and locked concurrency, perform on variable i1000 self-incremental operationsThe result is as follows:

In the case of no lock, the result of concurrency self-growth is wrong, and the result of concurrent self-growth (in fact, single-thread self-growth) after using redis locks is correct.

The source code is as follows:

Login is visible.

[Communication] Implement the source code based on the SET NX distributed lock in Redis

Related Posts