I have hazelcast deployed in c/s mode , where I started using UserNamePassword Credentials for authentication, so during the start of server and client, I used username1, password1 as my credentials.
Now due to security aspects, I want to update the credentials, how do I achieve this without downtime on server and client side application .
Hazelcast doesn’t support the client credentials rotation out-of-the-box. It could be resolved incrementally:
This is a similar scenario to updating TLS certificates in the running cluster. Check it in the Hazelcast reference manual: