Github user tzulitai commented on a diff in the pull request: https://github.com/apache/flink/pull/5182#discussion_r158160866 --- Diff: flink-connectors/flink-connector-kinesis/src/main/java/org/apache/flink/streaming/connectors/kinesis/internals/ShardConsumer.java --- @@ -96,6 +99,15 @@ protected ShardConsumer(KinesisDataFetcher<T> fetcherRef, SequenceNumber lastSequenceNum, KinesisProxyInterface kinesis) { this.fetcherRef = checkNotNull(fetcherRef); + MetricGroup kinesisMetricGroup = fetcherRef.getRuntimeContext() + .getMetricGroup() + .addGroup("Kinesis") --- End diff -- Do we really need this group? The metric is already bounded to the current subtask, which should provide enough context that it is Kinesis-related since we're the Kinesis consumer, no?
---