YONG FENG created SLIDER-924:
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Summary: 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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