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https://issues.apache.org/jira/browse/APEXCORE-552?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15553735#comment-15553735
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David Yan commented on APEXCORE-552:
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YARN has a limitation on the length of a tag and how many tags an application
can have.
The length limit is 100 and in most cases, it's not enough to store the full
application path url.
We can break it up into 2 or more tags, but it's ugly and we probably don't
want to go that route.
> Support application tags when launching application
> ---------------------------------------------------
>
> Key: APEXCORE-552
> URL: https://issues.apache.org/jira/browse/APEXCORE-552
> Project: Apache Apex Core
> Issue Type: New Feature
> Reporter: David Yan
> Assignee: David Yan
>
> Hadoop 2.4.0 introduces application tags. We should allow users to specify
> application tags when launching an application. We should also make use of
> the application tag to store useful info like app path so that this info
> persists even after the application has terminated.
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