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https://issues.apache.org/jira/browse/FLINK-21080?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17392249#comment-17392249
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Dawid Wysakowicz edited comment on FLINK-21080 at 8/3/21, 11:23 AM:
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Implemented the stop-gap solution of declining checkpoints if an operator is
partially finished and contain UnionListState in
3ccd984dedd1d5b6fef14c5217c6830a49bd1ecc..2f5655a085adcb7723ccf8045f29cae340e33e81
was (Author: dawidwys):
Implemented in
3ccd984dedd1d5b6fef14c5217c6830a49bd1ecc..2f5655a085adcb7723ccf8045f29cae340e33e81
> Handle UnionListState with finished operators
> ---------------------------------------------
>
> Key: FLINK-21080
> URL: https://issues.apache.org/jira/browse/FLINK-21080
> Project: Flink
> Issue Type: Sub-task
> Components: API / DataStream, Runtime / Checkpointing
> Reporter: Yun Gao
> Assignee: Yun Gao
> Priority: Major
> Labels: auto-unassigned, pull-request-available
>
> Most legacy source operators would record the offset for each partitions, and
> after recovery it would read from the recorded offset. If before a checkpoint
> some subtasks are finished, the corresponding partition offsets would be
> deserted in the checkpoint. Then if the job recover with this checkpoint, the
> legacy source would re-discovery all the partitions and for those finished
> tasks, the legacy source would re-read them since their offsets are not
> recorded.
> Therefore, we would like to fail the checkpoint if some legacy source
> operators have part of subtasks finished.
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