Close all running Redis instances.

Use the following command to join the server that needs to be shut down to the cluster:

Copy code redis-cluster add-node < Server IP & gt:& lt port >?

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Use the following command to remove the server that needs to be restarted from the cluster:

Copy code redis-cluster remove-node < Server IP & gt:& lt port >?

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Shut down and restart the server that needs to be shut down.

Copy codesudo systemctl stop & lt server name >? Sudo systemctl restart & lt server name >?

Where is the name of the server that needs to be shut down and restarted.

Check whether the Redis cluster is working properly.

You can use the following command to check whether the Redis cluster is working properly:

Copy coderedis- cluster status?

If everything is all right, you should see that all servers are "online".

Please note that you must be very careful when operating Redis cluster to avoid data loss caused by misoperation. If you are not sure how to operate Redis cluster, please seek professional help.

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