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https://issues.apache.org/jira/browse/YARN-6667?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17585461#comment-17585461
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ASF GitHub Bot commented on YARN-6667:
--------------------------------------

hadoop-yetus commented on PR #4810:
URL: https://github.com/apache/hadoop/pull/4810#issuecomment-1228645254

   :confetti_ball: **+1 overall**
   
   
   
   
   
   
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   | -0 :warning: |  checkstyle  |   0m 32s | 
[/results-checkstyle-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-nodemanager.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4810/3/artifact/out/results-checkstyle-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-nodemanager.txt)
 |  
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager:
 The patch generated 2 new + 0 unchanged - 0 fixed = 2 total (was 0)  |
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   |||| _ Other Tests _ |
   | +1 :green_heart: |  unit  |  23m 56s |  |  hadoop-yarn-server-nodemanager 
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   |  |   | 123m  7s |  |  |
   
   
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   | GITHUB PR | https://github.com/apache/hadoop/pull/4810 |
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https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4810/3/testReport/ |
   | Max. process+thread count | 555 (vs. ulimit of 5500) |
   | modules | C: 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager
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hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager
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   | Console output | 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4810/3/console |
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   This message was automatically generated.
   
   




> Handle containerId duplicate without failing the heartbeat in Federation 
> Interceptor
> ------------------------------------------------------------------------------------
>
>                 Key: YARN-6667
>                 URL: https://issues.apache.org/jira/browse/YARN-6667
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Botong Huang
>            Assignee: fanshilun
>            Priority: Minor
>              Labels: pull-request-available
>
> From the actual situation, the probability of this happening is very low. 
> It can only be caused by the master-slave fail-hover of YARN and the wrong 
> Epoch parameter configuration.
> We will try to be compatible with this situation and let the Application run 
> as much as possible, using the following measures:
> 1. Select a node whose heartbeat does not time out for allocation, and at the 
> same time require the node to be in the RUNNING state.
> 2. If the heartbeat of both RMs does not time out, and both are in the 
> RUNNING state, select the previously allocated RM for Container processing.



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