bbejeck commented on code in PR #17781: URL: https://github.com/apache/kafka/pull/17781#discussion_r1841151782
########## clients/src/main/java/org/apache/kafka/clients/consumer/internals/AsyncKafkaConsumer.java: ########## @@ -641,17 +641,15 @@ private void updateGroupMetadata(final Optional<Integer> memberEpoch, final Stri @Override public void registerMetricForSubscription(KafkaMetric metric) { - if (clientTelemetryReporter.isPresent()) { - ClientTelemetryReporter reporter = clientTelemetryReporter.get(); - reporter.metricChange(metric); + if (!metrics().containsKey(metric.metricName())) { + clientTelemetryReporter.ifPresent(reporter -> reporter.metricChange(metric)); } } @Override public void unregisterMetricFromSubscription(KafkaMetric metric) { - if (clientTelemetryReporter.isPresent()) { - ClientTelemetryReporter reporter = clientTelemetryReporter.get(); - reporter.metricRemoval(metric); + if (!metrics().containsKey(metric.metricName())) { + clientTelemetryReporter.ifPresent(reporter -> reporter.metricRemoval(metric)); Review Comment: Definitely don't want a way here to unregister an existing consumer metric from **_telemetry subscription_** -- 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. To unsubscribe, e-mail: jira-unsubscr...@kafka.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org