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From "Varun Saxena (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4178) [storage implementation] app id as string can cause incorrect ordering
Date Sat, 19 Sep 2015 11:15:04 GMT

    [ https://issues.apache.org/jira/browse/YARN-4178?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14877044#comment-14877044
] 

Varun Saxena commented on YARN-4178:
------------------------------------

As appId is part of entity table row key, on second thoughts, containers and app attempts
shouldnt be an issue.

> [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
>
> 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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