Robert Metzger created FLINK-3274:
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Summary: Prefix Kafka connector accumulators with unique id
Key: FLINK-3274
URL: https://issues.apache.org/jira/browse/FLINK-3274
Project: Flink
Issue Type: Bug
Components: Kafka Connector
Affects Versions: 1.0.0
Reporter: Robert Metzger
Assignee: Robert Metzger
Flink might chain together two data sinks under certain conditions.
In that case, the metrics accumulators will have a name clash (each task can
have an accumulator only once, with chaining multiple sinks are sharing a task).
Also, when merging accumulators from different tasks for a per-job result,
having multiple kafka producers or consumers will lead to wrong results as the
merging happens only on a per-name basis.
With this issue, I'd like to introduce a unique id for consumers and producers
when registering accumulators
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