tillrohrmann commented on a change in pull request #10466: [FLINK-15110][metrics] Support variable exclusion URL: https://github.com/apache/flink/pull/10466#discussion_r355956679
########## File path: flink-runtime/src/main/java/org/apache/flink/runtime/metrics/groups/AbstractMetricGroup.java ########## @@ -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: hmm, I'm not convinced by this argument tbh. I think that way it is super hard to debug programming errors. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services