[jira] [Created] (FLINK-3146) Expose the Kafka consumer lag as a metric in the web interface for Kafka 0.8.x

[Shang Yuanchun (Jira)]

Robert Metzger created FLINK-3146:
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             Summary: Expose the Kafka consumer lag as a metric in the web interface for Kafka 0.8.x
                 Key: FLINK-3146
                 URL: https://issues.apache.org/jira/browse/FLINK-3146
             Project: Flink
          Issue Type: Improvement
          Components: Kafka Connector
            Reporter: Robert Metzger


Right now the Kafka consumer is not reporting any metrics to the web frontend.

For the Kafka 0.9.0.0 I'll probably use the metrics reported by Kafka, for Kafka 0.8. we need to manually request the current ("latest") offset and compare it to the last read offset.

I've added this JIRA to see how many Flink users are interested in this. If you want this feature, please comment into the JIRA!



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