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Posted to issues@iceberg.apache.org by GitBox <gi...@apache.org> on 2020/10/13 06:46:25 UTC

[GitHub] [iceberg] JingsongLi edited a comment on pull request #1515: Flink: Support sink when disable flink checkpoint disable

JingsongLi edited a comment on pull request #1515:
URL: https://github.com/apache/iceberg/pull/1515#issuecomment-707528788


   Hi @rdblue and @simonsssu 
   I think the normal guarantee for Flink is exactly-once. Sometimes, for better performance, it will be at-least-once guarantee.
   I've rarely seen checkpoints turned off, maybe in risk control scenarios (Timely alarm is needed).


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