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https://issues.apache.org/jira/browse/YARN-11517?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17736237#comment-17736237
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ASF GitHub Bot commented on YARN-11517:
---------------------------------------

goiri commented on code in PR #5766:
URL: https://github.com/apache/hadoop/pull/5766#discussion_r1238866913


##########
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/cli/TestRouterCLI.java:
##########
@@ -120,7 +122,10 @@ public void testDeregisterSubCluster() throws Exception {
     ByteArrayOutputStream dataOut = new ByteArrayOutputStream();
     System.setOut(new PrintStream(dataOut));
     oldOutPrintStream.println(dataOut);
-    String[] args = {"-deregisterSubCluster", "-c", "SC-1"};
+    String[] args = {"-deregisterSubCluster", "-sc", "SC-1"};

Review Comment:
   Wait, where does the -c came from?



##########
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/cli/TestRouterCLI.java:
##########
@@ -120,7 +122,10 @@ public void testDeregisterSubCluster() throws Exception {
     ByteArrayOutputStream dataOut = new ByteArrayOutputStream();
     System.setOut(new PrintStream(dataOut));
     oldOutPrintStream.println(dataOut);
-    String[] args = {"-deregisterSubCluster", "-c", "SC-1"};
+    String[] args = {"-deregisterSubCluster", "-sc", "SC-1"};

Review Comment:
   Aren't we changing the interface here?
   I don't think we should break backwards compatibility.





> Improve Federation#RouterCLI deregisterSubCluster Code
> ------------------------------------------------------
>
>                 Key: YARN-11517
>                 URL: https://issues.apache.org/jira/browse/YARN-11517
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: federation, router
>            Reporter: Shilun Fan
>            Assignee: Shilun Fan
>            Priority: Major
>              Labels: pull-request-available
>




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