Tsuyoshi OZAWA commented on YARN-2052:

One discussion point is how YARN apps and cluster management systems(e.g. 
Apache Ambari) depend on the container id format currently. For example, MRv2 
uses utility methods like ConverterUtils.toContainerId(containerIdStr) provided 
in org.apache.hadoop.yarn.util.

> Container ID format and clustertimestamp for Work preserving restart
> --------------------------------------------------------------------
>                 Key: YARN-2052
>                 URL: https://issues.apache.org/jira/browse/YARN-2052
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager
>            Reporter: Tsuyoshi OZAWA
> We've been discussing whether container id format is changed to include 
> cluster timestamp or not on YARN-556 and YARN-2001. This JIRA is for taking 
> the discussion. 

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