skonto 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-492766741 @arunmahadevan regarding the other issue about the failing batch I think since the [triggerExecutor](https://github.com/apache/spark/blob/efa303581ac61d6f517aacd08883da2d01530bd2/sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/TriggerExecutor.scala#L52) will block on this call [here](https://github.com/apache/spark/blob/master/sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/MicroBatchExecution.scala#L219) and since there no multiple in flight batches we are good because by the time we go back and construct the next batch the previous is done. @gaborgsomogyi could you verify the assumption whether bathes will pile up in case of a failure.
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