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https://issues.apache.org/jira/browse/YARN-11509?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17736398#comment-17736398
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ASF GitHub Bot commented on YARN-11509:
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slfan1989 commented on code in PR #5727:
URL: https://github.com/apache/hadoop/pull/5727#discussion_r1239513085
##########
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/amrmproxy/FederationInterceptor.java:
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@@ -29,12 +29,7 @@
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
-import java.util.concurrent.Callable;
-import java.util.concurrent.ConcurrentHashMap;
-import java.util.concurrent.ExecutorCompletionService;
-import java.util.concurrent.ExecutorService;
-import java.util.concurrent.Executors;
-import java.util.concurrent.Future;
+import java.util.concurrent.*;
Review Comment:
Thanks for helping to review the code, I will fix it.
> The FederationInterceptor#launchUAM Added retry logic.
> ------------------------------------------------------
>
> Key: YARN-11509
> URL: https://issues.apache.org/jira/browse/YARN-11509
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: amrmproxy
> Affects Versions: 3.4.0
> Reporter: Shilun Fan
> Assignee: Shilun Fan
> Priority: Minor
> Labels: pull-request-available
>
> There is a "todo" in the
> FederationInterceptor#registerAndAllocateWithNewSubClusters method. According
> to the "todo" description, the request needs to be retried to other
> subclusters, but changing the parameter requests in
> registerAndAllocateWithNewSubClusters is not a good operation. It is better
> to add retry logic here.
> We don't need to worry about losing requests because when the request cannot
> be satisfied, the AM of the task will continue to apply, and these requests
> will be properly transferred to other clusters for execution.
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