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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2019/05/21 18:57:50 UTC
[GitHub] [spark] zsxwing commented on issue #24613: [SPARK-27549][SS] Add
support for committing kafka offsets per batch for supporting external
tooling
zsxwing commented on issue #24613: [SPARK-27549][SS] Add support for committing kafka offsets per batch for supporting external tooling
URL: https://github.com/apache/spark/pull/24613#issuecomment-494515539
The inconsistency between Spark's checkpoint and Kafka commit metadata may be confusing. This one also only works in micro-batch mode. In addition, it seems hard to reason about the case such as self-join and self-union. I prefer to not add this into Spark. You can just implement this inside a StreamingQueryListener and expose the listener as a library.
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