RuiLi8080 opened a new pull request #3194: [STORM-3565] add support for adding dimensions to metric data points URL: https://github.com/apache/storm/pull/3194 A dimensional metric collects information into multiple sub-categories (dimensions). Add an interface `IDimensionalMetric` extending `IMetric` in hope for supporting a better fine-grained metric reporting. `DimensionalCountMetric` serves as an example for creating and using dimensional metric
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