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https://issues.apache.org/jira/browse/YARN-4178?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14933506#comment-14933506
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Varun Saxena commented on YARN-4178:
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Also for the sake of consistency, I have done the conversion wherever app id is
used in row key even though it might not be necessary like in app to flow table.
> [storage implementation] app id as string can cause incorrect ordering
> ----------------------------------------------------------------------
>
> Key: YARN-4178
> URL: https://issues.apache.org/jira/browse/YARN-4178
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: timelineserver
> Affects Versions: YARN-2928
> Reporter: Sangjin Lee
> Assignee: Varun Saxena
> Attachments: YARN-4178-YARN-2928.01.patch
>
>
> Currently the app id is used in various places as part of row keys and in
> column names. However, they are treated as strings for the most part. This
> will cause a problem with ordering when the id portion of the app id rolls
> over to the next digit.
> For example, "app_1234567890_100" will be considered *earlier* than
> "app_1234567890_99". We should correct this.
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