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https://issues.apache.org/jira/browse/GOBBLIN-876?focusedWorklogId=309304&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-309304
]
ASF GitHub Bot logged work on GOBBLIN-876:
------------------------------------------
Author: ASF GitHub Bot
Created on: 09/Sep/19 21:56
Start Date: 09/Sep/19 21:56
Worklog Time Spent: 10m
Work Description: sv2000 commented on pull request #2730: GOBBLIN-876:
Expose metrics() API in GobblinKafkaConsumerClient to al…
URL: https://github.com/apache/incubator-gobblin/pull/2730#discussion_r322472813
##########
File path:
gobblin-modules/gobblin-kafka-09/src/main/java/org/apache/gobblin/kafka/client/Kafka09ConsumerClient.java
##########
@@ -162,6 +170,35 @@ public KafkaConsumerRecord apply(ConsumerRecord<K, V>
input) {
});
}
+ @Override
+ public Map<String, Metric> metrics() {
+ Map<MetricName, KafkaMetric> kafkaMetrics = (Map<MetricName, KafkaMetric>)
this.consumer.metrics();
+ Map<String, Metric> codaHaleMetricMap = new HashMap<>();
+
+ kafkaMetrics
+ .forEach((key, value) ->
codaHaleMetricMap.put(canonicalMerticName(value),
kafkaToCodaHaleMetric(value)));
+ return codaHaleMetricMap;
+ }
+
+ /**
+ * Convert a {@link KafkaMetric} instance to a {@link Metric}.
+ * @param kafkaMetric
+ * @return
+ */
+ private Metric kafkaToCodaHaleMetric(final KafkaMetric kafkaMetric) {
Review comment:
Good point. Unfortunately, the KafkaMetric class is specific to a given
Kafka version, making code duplication necessary. So it seems that each
consumer client version will have its own implementation of the method.
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Issue Time Tracking
-------------------
Worklog Id: (was: 309304)
Time Spent: 40m (was: 0.5h)
> Expose metrics() API in GobblinKafkaConsumerClient to allow consume metrics
> to be reported
> ------------------------------------------------------------------------------------------
>
> Key: GOBBLIN-876
> URL: https://issues.apache.org/jira/browse/GOBBLIN-876
> Project: Apache Gobblin
> Issue Type: Improvement
> Components: gobblin-kafka
> Affects Versions: 0.15.0
> Reporter: Sudarshan Vasudevan
> Assignee: Shirshanka Das
> Priority: Major
> Fix For: 0.15.0
>
> Time Spent: 40m
> Remaining Estimate: 0h
>
> Newer Kafka consumer expose metrics() API that report a number of consumer
> metrics such as lag, latency, etc. which are very useful for monitoring and
> debugging. We expose a metrics() API in GobblinKafkaConsumerClient to allow
> consumer metrics to be reported.
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