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https://issues.apache.org/jira/browse/MAPREDUCE-5227?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tsuyoshi OZAWA updated MAPREDUCE-5227:
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Description:
JobTrackerMetricsSource and QueueMetrics provides users with some metrics, but
its naming rules( "jobs_running", "running_maps", "running_reduces") sometimes
confuses users. It should be standardized.
One concern is backward compatibility, so one idea is to share
MetricMutableGaugeInt object from old and new property name.
e.g. to share runningMaps from "running_maps" and "maps_running".
was:
JobTrackerMetricsInst provides users with some metrics, but its naming rules(
"jobs_running", "running_maps", "running_reduces") sometimes confuses users. It
should be standardized.
One concern is backward compatibility, so one idea is to share
MetricMutableGaugeInt object from old and new property name.
e.g. to share runningMaps from "running_maps" and "maps_running".
> JobTrackerMetricsSource and QueueMetrics should standardize naming rules
> ------------------------------------------------------------------------
>
> Key: MAPREDUCE-5227
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5227
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: mrv1
> Affects Versions: 1.1.2
> Reporter: Tsuyoshi OZAWA
> Assignee: Tsuyoshi OZAWA
> Priority: Minor
> Attachments: MAPREDUCE-5227.1.patch
>
>
> JobTrackerMetricsSource and QueueMetrics provides users with some metrics,
> but its naming rules( "jobs_running", "running_maps", "running_reduces")
> sometimes confuses users. It should be standardized.
> One concern is backward compatibility, so one idea is to share
> MetricMutableGaugeInt object from old and new property name.
> e.g. to share runningMaps from "running_maps" and "maps_running".
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