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https://issues.apache.org/jira/browse/YARN-1328?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13800920#comment-13800920
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Zhijie Shen commented on YARN-1328:
-----------------------------------
bq. Why do you need this?
Suppose we write different id strings (application, attempt, container) into
one file, I'd like to convert it into the Id objects, but instead of calling
ConvertUtils.toXXXXId, I'd like to check whether it's a possible XXXX Id first,
avoiding the unnecessary conversion process.
> ContainerId should expose a public static string of the ID's prefix
> -------------------------------------------------------------------
>
> Key: YARN-1328
> URL: https://issues.apache.org/jira/browse/YARN-1328
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Zhijie Shen
> Assignee: Zhijie Shen
> Priority: Minor
> Attachments: YARN-1328.1.patch, YARN-1328.2.patch
>
>
> Like ApplicationId and ApplicationAttemptId, ContainerId should also have
> public static string:
> {code}
> public static final String containerIdStrPrefix = "container_";
> {code}
> Others can refer to this string to verify a containerId string.
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