Redis checks whether the lock exists
Method 1: Use the GET command to view the lock
1. Connect to the Redis server.
Enter the redis-cli command on the command line interface and specify the server's IP address and port number to connect. like:
redis-cli -h 127.0.0.1 -p 6379
2. Check the value of the lock.
Use the GET command to get the value of the specified key.
For example, to view the value of a lock named lock, you can execute the following command:
GET lock
If the value of the lock is empty, it means that the lock has been released.
If the value of the lock is not empty, it means that the lock is in an occupied state.
Method 2: Use the EXISTS command to check the existence of the lock
1. Connect to the Redis server.
Similarly, enter the redis-cli command on the command line interface and specify the server's IP address and port number to connect.
2. Check the existence of the lock.
Use the EXISTS command to check whether the specified key exists.
For example, to check if a lock named lock exists, you can execute the following command:
EXISTS lock
If the return value is 1, it means that the lock exists; if the return value is 0, it means that the lock does not exist.
Summarize
The above is personal experience. I hope you can give you a reference and I hope you can support me more.