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[GitHub] [incubator-kyuubi] ulysses-you opened a new pull request, #2345: [DOC] Hot Upgrade Kyuubi Server

ulysses-you opened a new pull request, #2345:
URL: https://github.com/apache/incubator-kyuubi/pull/2345

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   Help user upgrade easily.
   
   ### _How was this patch tested?_
   - [ ] Add some test cases that check the changes thoroughly including negative and positive cases if possible
   
   - [ ] Add screenshots for manual tests if appropriate
   
   - [ ] [Run test](https://kyuubi.apache.org/docs/latest/develop_tools/testing.html#running-tests) locally before make a pull request
   


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[GitHub] [incubator-kyuubi] ulysses-you commented on a diff in pull request #2345: [DOC] Hot Upgrade Kyuubi Server

Posted by GitBox <gi...@apache.org>.
ulysses-you commented on code in PR #2345:
URL: https://github.com/apache/incubator-kyuubi/pull/2345#discussion_r849056436


##########
docs/deployment/high_availability_guide.md:
##########
@@ -82,3 +82,13 @@ For example,
 ```shell
 bin/beeline -u 'jdbc:hive2://10.242.189.214:2181/;serviceDiscoveryMode=zooKeeper;zooKeeperNamespace=kyuubi' -n kentyao
 ```
+
+## 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`:
+
+```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.

Review Comment:
   ah yes, we can start a new kyuubi server Whether previous has stoped or not



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[GitHub] [incubator-kyuubi] cfmcgrady commented on a diff in pull request #2345: [DOC] Hot Upgrade Kyuubi Server

Posted by GitBox <gi...@apache.org>.
cfmcgrady commented on code in PR #2345:
URL: https://github.com/apache/incubator-kyuubi/pull/2345#discussion_r849110828


##########
docs/deployment/high_availability_guide.md:
##########
@@ -82,3 +82,32 @@ For example,
 ```shell
 bin/beeline -u 'jdbc:hive2://10.242.189.214:2181/;serviceDiscoveryMode=zooKeeper;zooKeeperNamespace=kyuubi' -n kentyao
 ```
+
+## How to Hot Upgrade Kyuubi Server
+
+Kyuubi supports hot upgrade one of server in a HA cluster which is transparent to users.
+
+- 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 "${PORT_FPR_OLD_KYUUBI_SERVER}"
+  ```
+
+  The `${PORT_FPR_OLD_KYUUBI_SERVER}` can be found by:
+
+  ```shell
+  grep "server.KyuubiThriftBinaryFrontendService: Starting and exposing JDBC connection at" logs/kyuubi-*.out
+  ```
+  Note that, you do not need to care when the old Kyuubi server actually stooped since the new comming session are routed to the new Kyuubi server and others.

Review Comment:
   nit:
   1. stooped -> stopped
   2. comming -> coming



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[GitHub] [incubator-kyuubi] yaooqinn commented on a diff in pull request #2345: [DOC] Hot Upgrade Kyuubi Server

Posted by GitBox <gi...@apache.org>.
yaooqinn commented on code in PR #2345:
URL: https://github.com/apache/incubator-kyuubi/pull/2345#discussion_r849074401


##########
docs/deployment/high_availability_guide.md:
##########
@@ -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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[GitHub] [incubator-kyuubi] yaooqinn commented on pull request #2345: [DOC] Hot Upgrade Kyuubi Server

Posted by GitBox <gi...@apache.org>.
yaooqinn commented on PR #2345:
URL: https://github.com/apache/incubator-kyuubi/pull/2345#issuecomment-1097537658

   this remind me that we are missing doc。for kyuubi ctl completely


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[GitHub] [incubator-kyuubi] yaooqinn commented on a diff in pull request #2345: [DOC] Hot Upgrade Kyuubi Server

Posted by GitBox <gi...@apache.org>.
yaooqinn commented on code in PR #2345:
URL: https://github.com/apache/incubator-kyuubi/pull/2345#discussion_r849059977


##########
docs/deployment/high_availability_guide.md:
##########
@@ -82,3 +82,13 @@ For example,
 ```shell
 bin/beeline -u 'jdbc:hive2://10.242.189.214:2181/;serviceDiscoveryMode=zooKeeper;zooKeeperNamespace=kyuubi' -n kentyao
 ```
+
+## 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`:
+
+```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.

Review Comment:
   Port changing is expected for rolling new instance in place. but if any other problem occurs，it is bug we shall fix



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[GitHub] [incubator-kyuubi] ulysses-you closed pull request #2345: [DOC] Hot Upgrade Kyuubi Server

Posted by GitBox <gi...@apache.org>.
ulysses-you closed pull request #2345: [DOC] Hot Upgrade Kyuubi Server
URL: https://github.com/apache/incubator-kyuubi/pull/2345


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[GitHub] [incubator-kyuubi] codecov-commenter commented on pull request #2345: [DOC] Hot Upgrade Kyuubi Server

Posted by GitBox <gi...@apache.org>.
codecov-commenter commented on PR #2345:
URL: https://github.com/apache/incubator-kyuubi/pull/2345#issuecomment-1097556634

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[GitHub] [incubator-kyuubi] yaooqinn commented on a diff in pull request #2345: [DOC] Hot Upgrade Kyuubi Server

Posted by GitBox <gi...@apache.org>.
yaooqinn commented on code in PR #2345:
URL: https://github.com/apache/incubator-kyuubi/pull/2345#discussion_r849055519


##########
docs/deployment/high_availability_guide.md:
##########
@@ -82,3 +82,13 @@ For example,
 ```shell
 bin/beeline -u 'jdbc:hive2://10.242.189.214:2181/;serviceDiscoveryMode=zooKeeper;zooKeeperNamespace=kyuubi' -n kentyao
 ```
+
+## 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`:
+
+```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.

Review Comment:
   not true, in read world we may want maintain a fixed num of servers. then we shall start whenever we want



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[GitHub] [incubator-kyuubi] ulysses-you commented on a diff in pull request #2345: [DOC] Hot Upgrade Kyuubi Server

Posted by GitBox <gi...@apache.org>.
ulysses-you commented on code in PR #2345:
URL: https://github.com/apache/incubator-kyuubi/pull/2345#discussion_r849056892


##########
docs/deployment/high_availability_guide.md:
##########
@@ -82,3 +82,13 @@ For example,
 ```shell
 bin/beeline -u 'jdbc:hive2://10.242.189.214:2181/;serviceDiscoveryMode=zooKeeper;zooKeeperNamespace=kyuubi' -n kentyao
 ```
+
+## 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`:
+
+```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.

Review Comment:
   it requires different version or port if at a same machine, so the word here is conservative.



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