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https://issues.apache.org/jira/browse/YARN-1942?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wangda Tan updated YARN-1942:
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Attachment: YARN-1942.8.patch
> Many of ConverterUtils methods need to have public interfaces
> -------------------------------------------------------------
>
> Key: YARN-1942
> URL: https://issues.apache.org/jira/browse/YARN-1942
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: api
> Affects Versions: 2.4.0
> Reporter: Thomas Graves
> Assignee: Wangda Tan
> Priority: Critical
> Attachments: YARN-1942.1.patch, YARN-1942.2.patch, YARN-1942.3.patch,
> YARN-1942.4.patch, YARN-1942.5.patch, YARN-1942.6.patch, YARN-1942.8.patch
>
>
> ConverterUtils has a bunch of functions that are useful to application
> masters. It should either be made public or we make some of the utilities
> in it public or we provide other external apis for application masters to
> use. Note that distributedshell and MR are both using these interfaces.
> For instance the main use case I see right now is for getting the application
> attempt id within the appmaster:
> String containerIdStr =
> System.getenv(Environment.CONTAINER_ID.name());
> ConverterUtils.toContainerId
> ContainerId containerId = ConverterUtils.toContainerId(containerIdStr);
> ApplicationAttemptId applicationAttemptId =
> containerId.getApplicationAttemptId();
> I don't see any other way for the application master to get this information.
> If there is please let me know.
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