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https://issues.apache.org/jira/browse/SLIDER-924?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gour Saha resolved SLIDER-924.
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Resolution: Not A Problem
> Support YARN ContainerID as Environment Variable for Slider Application
> Instance
> --------------------------------------------------------------------------------
>
> Key: SLIDER-924
> URL: https://issues.apache.org/jira/browse/SLIDER-924
> Project: Slider
> Issue Type: Improvement
> Components: agent, appmaster
> Affects Versions: Slider 0.80
> Reporter: YONG FENG
>
> When using Slider to manage long running service and Metric2 sink to collect
> metrics of those long running service, user could use metrics attributes of
> AppName, ComponentName and HostName to associate a metric record to an
> service instance.
> It works well if there is only one instance in each host. However if multiple
> instances of the service are running in the same host, the tuple of (AppName,
> ComponentName, Hostname) is not enough to identify an service instance
> uniquely.
> If Slider supports YARN ContainerID as Environment Variable for Slider
> Application Instance just like COMPONENT_NAME, user could configure
> CONTAINER_ID as configuration parameter for Metric2 sink. In that way, the
> metrics attribute of ContainerID could be used to associate a metric record
> to an service instance uniquely.
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