Github user casidiablo commented on a diff in the pull request: https://github.com/apache/flink/pull/5182#discussion_r160763163 --- Diff: flink-connectors/flink-connector-kinesis/src/main/java/org/apache/flink/streaming/connectors/kinesis/internals/KinesisDataFetcher.java --- @@ -542,6 +545,16 @@ public int registerNewSubscribedShardState(KinesisStreamShardState newSubscribed } } + /** + * Registers a metric group associated with the shard id of the provided {@link KinesisStreamShardState shardState}. + */ + private MetricGroup buildMetricGroupForShard(KinesisStreamShardState shardState) { + return runtimeContext + .getMetricGroup() + .addGroup("Kinesis") --- End diff -- I think so. Just following the convention of other components (e.g. [kafka consumer](https://github.com/apache/flink/blob/00ad0eb120026817c79a5fed2c71dd6aa10e9ba6/flink-connectors/flink-connector-kafka-0.9/src/main/java/org/apache/flink/streaming/connectors/kafka/internal/Kafka09Fetcher.java#L101))
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