Github user zentol commented on a diff in the pull request:
https://github.com/apache/flink/pull/2517#discussion_r80241061
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/metrics/groups/AbstractMetricGroup.java
---
@@ -168,21 +168,40 @@ public String getMetricIdentifier(String metricName) {
* @param filter character filter which is applied to the scope
components if not null.
* @return fully qualified metric name
*/
- public String getMetricIdentifier(String metricName, CharacterFilter
filter) {
- if (scopeString == null) {
- if (filter != null) {
- scopeString = ScopeFormat.concat(filter,
registry.getDelimiter(), scopeComponents);
- } else {
- scopeString =
ScopeFormat.concat(registry.getDelimiter(), scopeComponents);
- }
+ public String getMetricIdentifier(String metricName,CharacterFilter
filter) {
+ if (filter != null){
+ scopeString = ScopeFormat.concat(filter,
registry.getDelimiter(), scopeComponents);
+ } else {
+ scopeString =
ScopeFormat.concat(registry.getDelimiter(), scopeComponents);
}
-
- if (filter != null) {
+ if (filter != null){
return scopeString + registry.getDelimiter() +
filter.filterCharacters(metricName);
} else {
return scopeString + registry.getDelimiter() +
metricName;
}
}
+
+ /**
+ * Returns the fully qualified metric name for reporter with certain
number position in group, for example
+ * {@code "host-7.taskmanager-2.window_word_count.my-mapper.metricName"}
+ *
+ * @param metricName metric name
+ * @param filter character filter which is applied to the scope
components if not null.
+ * @param indexReporter position number of reporter in group reporters
+ * @return fully qualified metric name
+ */
+ public String getMetricIdentifier(String metricName, CharacterFilter
filter, int indexReporter) {
+ if (filter != null){
--- End diff --
missing space before ```{```
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