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https://issues.apache.org/jira/browse/YARN-542?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13642067#comment-13642067
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Bikas Saha commented on YARN-542:
---------------------------------
I think that the global default should be one because an app attempt can fail
due to a large number of user level reasons and should not be retried. The
system should retry an attempt upon hardware failure or YARN error and set this
default to 1.
> Change the default global AM max-attempts value to be not one
> -------------------------------------------------------------
>
> Key: YARN-542
> URL: https://issues.apache.org/jira/browse/YARN-542
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Vinod Kumar Vavilapalli
> Assignee: Zhijie Shen
> Fix For: 2.0.5-beta
>
> Attachments: YARN-542.1.patch
>
>
> Today, the global AM max-attempts is set to 1 which is a bad choice. AM
> max-attempts accounts for both AM level failures as well as container crashes
> due to localization issue, lost nodes etc. To account for AM crashes due to
> problems that are not caused by user code, mainly lost nodes, we want to give
> AMs some retires.
> I propose we change it to atleast two. Can change it to 4 to match other
> retry-configs.
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