Github user zentol commented on a diff in the pull request:
https://github.com/apache/flink/pull/2517#discussion_r80239024
--- Diff:
flink-metrics/flink-metrics-core/src/main/java/org/apache/flink/metrics/groups/UnregisteredMetricsGroup.java
---
@@ -114,4 +114,9 @@ public String getMetricIdentifier(String metricName) {
public String getMetricIdentifier(String metricName, CharacterFilter
filter) {
return metricName;
}
+
+ @Override
+ public String getMetricIdentifier(String metricName, CharacterFilter
filter,int indexReporter ) {
--- End diff --
missing space after second comma.
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