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https://issues.apache.org/jira/browse/YARN-11871?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18023388#comment-18023388
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ASF GitHub Bot commented on YARN-11871:
---------------------------------------

hadoop-yetus commented on PR #7997:
URL: https://github.com/apache/hadoop/pull/7997#issuecomment-3342776702

   :broken_heart: **-1 overall**
   
   
   
   
   
   
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[/patch-unit-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-router.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7997/3/artifact/out/patch-unit-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-router.txt)
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   |  |   | 168m 49s |  |  |
   
   
   | Reason | Tests |
   |-------:|:------|
   | Failed junit tests | 
hadoop.yarn.server.router.clientrm.TestFederationClientInterceptorRetry |
   |   | 
hadoop.yarn.server.router.subcluster.fair.TestYarnFederationWithFairScheduler |
   
   
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https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7997/3/artifact/out/Dockerfile
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https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7997/3/testReport/ |
   | Max. process+thread count | 1249 (vs. ulimit of 5500) |
   | modules | C: hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager
 hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-router 
U: hadoop-yarn-project/hadoop-yarn |
   | Console output | 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7997/3/console |
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   | Powered by | Apache Yetus 0.14.0 https://yetus.apache.org |
   
   
   This message was automatically generated.
   
   




> Make client retry when no active sub-cluster available
> ------------------------------------------------------
>
>                 Key: YARN-11871
>                 URL: https://issues.apache.org/jira/browse/YARN-11871
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: federation
>            Reporter: liu bin
>            Priority: Major
>              Labels: pull-request-available
>
> Under the YARN Federation architecture, when there's only one sub-cluster, or 
> when multiple sub-clusters exist but a queue is configured to submit 
> exclusively to a specific sub-cluster, the following problem occurs: If this 
> target sub-cluster failover, its state will remain "non-active" until the new 
> active RM completes registration and sends the first heartbeat (default 30 
> seconds later). During this window, any client attempting to submit 
> applications will fail with the error: "No active SubCluster available to 
> submit the request" or "No positive weight found on active subclusters".
> In non-YARN Federation setups, clients automatically retry during RM 
> failover. We expect this retry behavior to be preserved when transitioning to 
> the YARN Federation architecture.



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