tillrohrmann commented on a change in pull request #10466:
[FLINK-15110][metrics] Support variable exclusion
URL: https://github.com/apache/flink/pull/10466#discussion_r354910180
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/metrics/groups/AbstractMetricGroup.java
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@@ -102,27 +104,53 @@
//
------------------------------------------------------------------------
+ @SuppressWarnings("unchecked")
public AbstractMetricGroup(MetricRegistry registry, String[] scope, A
parent) {
this.registry = checkNotNull(registry);
this.scopeComponents = checkNotNull(scope);
this.parent = parent;
this.scopeStrings = new String[registry.getNumberReporters()];
this.logicalScopeStrings = new
String[registry.getNumberReporters()];
+ this.variables = new Map[registry.getNumberReporters() + 1];
}
@Override
public Map<String, String> getAllVariables() {
- if (variables == null) {
+ return internalGetAllVariables(0, Collections.emptySet());
+ }
+
+ public Map<String, String> getAllVariables(int reporterIndex,
Set<String> excludedVariables) {
+ // offset cache location to account for general cache at
position 0
+ reporterIndex += 1;
+ if (reporterIndex < 0 || reporterIndex >=
logicalScopeStrings.length) {
+ reporterIndex = 0;
+ }
Review comment:
Doesn't this constitutes a programming error and should cause the program to
fail. E.g. via `checkArgument`.
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