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Posted to issues@flink.apache.org by "Matthias J. Sax (JIRA)" <ji...@apache.org> on 2016/02/15 20:18:18 UTC
[jira] [Created] (FLINK-3404) Extend Kafka consumers with interface
StoppableFunction
Matthias J. Sax created FLINK-3404:
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Summary: Extend Kafka consumers with interface StoppableFunction
Key: FLINK-3404
URL: https://issues.apache.org/jira/browse/FLINK-3404
Project: Flink
Issue Type: Improvement
Components: Kafka Connector
Reporter: Matthias J. Sax
Kafka consumers are not stoppable right now. To make them stoppable, they must implement {{StoppableFunction}}. Implementing method {{stop()}} must ensure, that the consumer stops pulling new messages from Kafka and issues a final checkpoint with the last offset. Afterwards, {{run()}} must return.
When implementing this, keep in mind, that the gathered checkpoint might later be used as a savepoint.
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