[GitHub] [pulsar] lordcheng10 commented on pull request #15170: support dynamic config for authenticationEnabled

[GitBox <gi...@apache.org>]

lordcheng10 commented on PR #15170:
URL: https://github.com/apache/pulsar/pull/15170#issuecomment-1098954560

   > If authenticationEnabled in broker , the client also needs to enable the authentication configuration, which is currently not automatic, so dynamic config for authenticationEnabled may doesn't solve the problem.
   
   We have a scenario where the client doesn't want to stop all.
   So our upgrade process is:
   1. The client restarts in turn to enable the authentication configuration;
   2. After the client completes the upgrade, it will restart the broker in turn to enable the authentication of the broker, but at this time, in order to prevent the connection between the brokers from being abnormal during the rotational restart process, it is necessary to configure: authenticationEnabled=false
   3. After the broker is upgraded, change the configuration through dynamic settings: authenticationEnabled=true


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