Github user mjsax commented on the pull request:
https://github.com/apache/flink/pull/750#issuecomment-181402377
Ok. Your arguments are very strong. I will update this PR accordingly.
About `FlinkKafkaConsumer08` (and actually all other available sources).
IMHO, we need a new JIRA to update all sources with an proper `stop()`
implementation (for which it is suitable). This will include to get a last
consistent snapshot etc. We should also enable stopping in combination with the
recently introduces savepoints. But of course, I don't want to extend this PR
further and add those features as later improvements on top of the STOP feature.
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