zymap commented on a change in pull request #9487:
URL: https://github.com/apache/pulsar/pull/9487#discussion_r570646041



##########
File path: 
pulsar-broker/src/main/java/org/apache/pulsar/PulsarClusterMetadataTeardown.java
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@@ -55,7 +55,7 @@
         }, description = "Local zookeeper session timeout ms")
         private int zkSessionTimeoutMillis = 30000;
 
-        @Parameter(names = { "-c", "-cluster" }, description = "Cluster name")
+        @Parameter(names = { "-c", "--cluster" }, description = "Cluster name")

Review comment:
       I would suggest keeping the old way in case there already has people 
used to deploy their cluster. We can just add the new name to it.




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