Github user zentol commented on a diff in the pull request: https://github.com/apache/flink/pull/2212#discussion_r69907899 --- Diff: flink-core/src/main/java/org/apache/flink/metrics/reporter/AbstractReporter.java --- @@ -74,4 +74,14 @@ public void notifyOfRemovedMetric(Metric metric, String metricName, AbstractMetr } } } + + /** + * Can be overridden by sub-classes to replace invalid characters in metric name. + * + * @param metricName Name of the metric --- End diff -- or maybe not.
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