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https://issues.apache.org/jira/browse/YARN-11515?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17735802#comment-17735802
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ASF GitHub Bot commented on YARN-11515:
---------------------------------------
goiri commented on code in PR #5752:
URL: https://github.com/apache/hadoop/pull/5752#discussion_r1237252214
##########
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-router/src/main/java/org/apache/hadoop/yarn/server/router/clientrm/DefaultClientRequestInterceptor.java:
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@@ -116,16 +120,15 @@ public void init(String userName) {
final Configuration conf = this.getConf();
try {
clientRMProxy =
- user.doAs(new PrivilegedExceptionAction<ApplicationClientProtocol>()
{
- @Override
- public ApplicationClientProtocol run() throws Exception {
- return ClientRMProxy.createRMProxy(conf,
- ApplicationClientProtocol.class);
- }
- });
+ user.doAs((PrivilegedExceptionAction<ApplicationClientProtocol>) ()
->
Review Comment:
The readability of the same in DefaultRMAdminRequestInterceptor is better.
I would split the line with the doAs from the lambda.
> [Federation] Improve DefaultRequestInterceptor#init Code
> --------------------------------------------------------
>
> Key: YARN-11515
> URL: https://issues.apache.org/jira/browse/YARN-11515
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: federation, router
> Affects Versions: 3.4.0
> Reporter: Shilun Fan
> Assignee: Shilun Fan
> Priority: Minor
> Labels: pull-request-available
>
> If we do not enable Federation mode, the YARN Router can also act as a proxy
> for the YARN ResourceManager. In this case, we can achieve this functionality
> by configuring the DefaultRequestInterceptor. While reading the code, I
> found that the Init code could be improved.
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