kirktrue commented on a change in pull request #9584:
URL: https://github.com/apache/kafka/pull/9584#discussion_r780603531
##########
File path:
clients/src/main/java/org/apache/kafka/clients/consumer/KafkaConsumer.java
##########
@@ -858,14 +862,23 @@ public KafkaConsumer(Map<String, Object> configs,
this.kafkaConsumerMetrics = new KafkaConsumerMetrics(metrics,
"consumer");
}
- private static Metrics buildMetrics(ConsumerConfig config, Time time,
String clientId) {
- Map<String, String> metricsTags =
Collections.singletonMap(CLIENT_ID_METRIC_TAG, clientId);
+ private static Metrics buildMetrics(ConsumerConfig config, Time time,
String clientId, String groupId) {
+ Map<String, String> metricsTags = new HashMap<>();
+ metricsTags.put(CLIENT_ID_METRIC_TAG, clientId);
+ if (groupId != null && !groupId.trim().isEmpty()) {
Review comment:
The secondary `!groupId.trim().isEmpty()` clause of the `if` statement
shouldn't ever catch given that that case is checked for in the constructor
before calling `buildMetrics`, right?
##########
File path:
clients/src/main/java/org/apache/kafka/clients/consumer/KafkaConsumer.java
##########
@@ -858,14 +862,23 @@ public KafkaConsumer(Map<String, Object> configs,
this.kafkaConsumerMetrics = new KafkaConsumerMetrics(metrics,
"consumer");
}
- private static Metrics buildMetrics(ConsumerConfig config, Time time,
String clientId) {
- Map<String, String> metricsTags =
Collections.singletonMap(CLIENT_ID_METRIC_TAG, clientId);
+ private static Metrics buildMetrics(ConsumerConfig config, Time time,
String clientId, String groupId) {
+ Map<String, String> metricsTags = new HashMap<>();
+ metricsTags.put(CLIENT_ID_METRIC_TAG, clientId);
+ if (groupId != null && !groupId.trim().isEmpty()) {
+ metricsTags.put(GROUP_ID_METRIC_TAG, groupId);
+ }
MetricConfig metricConfig = new
MetricConfig().samples(config.getInt(ConsumerConfig.METRICS_NUM_SAMPLES_CONFIG))
.timeWindow(config.getLong(ConsumerConfig.METRICS_SAMPLE_WINDOW_MS_CONFIG),
TimeUnit.MILLISECONDS)
.recordLevel(Sensor.RecordingLevel.forName(config.getString(ConsumerConfig.METRICS_RECORDING_LEVEL_CONFIG)))
.tags(metricsTags);
+ final Map<String, Object> reporterConfigOverrides = new HashMap<>();
+ reporterConfigOverrides.put(ConsumerConfig.CLIENT_ID_CONFIG, clientId);
+ if (groupId != null && !groupId.trim().isEmpty()) {
Review comment:
Same minor nitpick about whether or not we need to check for an empty
group ID.
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