yaooqinn commented on code in PR #2345:
URL: https://github.com/apache/incubator-kyuubi/pull/2345#discussion_r849074401
##########
docs/deployment/high_availability_guide.md:
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@@ -85,10 +85,24 @@ bin/beeline -u
'jdbc:hive2://10.242.189.214:2181/;serviceDiscoveryMode=zooKeeper
## How to Hot Upgrade Kyuubi Server
-Kyuubi supports hot upgrade one of server in a HA cluster which is transparent
to users. For example, if you want to upgrade a Kyuubi server at host
`kyuubi.host` with port `10009`, you can run the following cmd using
`bin/kyuubi-ctl`:
+Kyuubi supports hot upgrade one of server in a HA cluster which is transparent
to users.
-```shell
-./bin/kyuubi-ctl delete server --host "kyuubi.host" --port "10009"
-```
+- If you have specified a custom port for Kyuubi server
+
+ For example, the Kyuubi server started at host `kyuubi.host` with port
`10009`, you can run the following cmd using `bin/kyuubi-ctl`:
+
+ ```shell
+ ./bin/kyuubi-ctl delete server --host "kyuubi.host" --port "10009"
+ ```
+
+ Kyuubi server will stop until all session closed, and then you can start a
new Kyuubi server.
+
+- If you use a random port for Kyuubi server
+
+ You can just start the new Kyuubi Server, then runing cmd using
`bin/kyuubi-ctl`:
+
+ ```shell
+ ./bin/kyuubi-ctl delete server --host "kyuubi.host" --port
"${port_for_old_Kyuubi_server}"
Review Comment:
it's better to doc how can we get port_for_old_Kyuubi_server
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