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https://issues.apache.org/jira/browse/YARN-7174?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16165395#comment-16165395
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Junping Du commented on YARN-7174:
----------------------------------

Thanks [~xgong] for reporting the issue and delivering a fix for it. I quickly 
go through the patch, a couple of comments:
{noformat}
+    int maxRetries = 30;
+    long retryInterval = 1000;
{noformat}
Sounds like we were defining the default max retries and retry intervals inline 
code, but better separated it out - may be too heavy to define in 
YarnConfiguration but at least define it in front of class.

After adding two options to log CLI, we should add documentation change in yarn 
log CLI page 
(https://hadoop.apache.org/docs/r2.8.0/hadoop-yarn/hadoop-yarn-site/YarnCommands.html#logs).

Looks like we remove the verification of output of yarn log cli usage. Any 
special reason to do this? If not, we should add it back to prevent 
careless/unexpected change of usage output.

> Add retry logic in LogsCLI when fetch running application logs
> --------------------------------------------------------------
>
>                 Key: YARN-7174
>                 URL: https://issues.apache.org/jira/browse/YARN-7174
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Xuan Gong
>            Assignee: Xuan Gong
>         Attachments: YARN-7174.1.patch
>
>




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