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Dawid Wysakowicz commented on FLINK-23408: ------------------------------------------ I don't know where is this code coming from. As I said, in master both drain and w/o drain stops the source first: https://github.com/apache/flink/blob/d86ae5d642fa578fb85118e81dd4140d504f818a/flink-streaming-java/src/main/java/org/apache/flink/streaming/runtime/tasks/SourceStreamTask.java#L260 or https://github.com/apache/flink/blob/d86ae5d642fa578fb85118e81dd4140d504f818a/flink-streaming-java/src/main/java/org/apache/flink/streaming/runtime/tasks/SourceOperatorStreamTask.java#L179 > Wait for a checkpoint completed after finishing a task > ------------------------------------------------------ > > Key: FLINK-23408 > URL: https://issues.apache.org/jira/browse/FLINK-23408 > Project: Flink > Issue Type: Sub-task > Components: Runtime / Checkpointing, Runtime / Task > Reporter: Dawid Wysakowicz > Assignee: Dawid Wysakowicz > Priority: Major > Labels: pull-request-available > Fix For: 1.14.0 > > Attachments: image-2022-12-09-16-53-08-286.png, > image-2022-12-09-16-54-05-453.png > > > Before finishing a task we should wait for a checkpoint issued after > {{finish()}} to commit all pending transactions created from the {{finish()}} > method. -- This message was sent by Atlassian Jira (v8.20.10#820010)