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https://issues.apache.org/jira/browse/FLINK-20671?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17252652#comment-17252652
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Jingsong Lee commented on FLINK-20671:
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The reason is that I didn't fix it on branch 1.12, I'll re-open FLINK-20213 .
FYI, if you use file compaction, this should not be a problem.
> Partition doesn't commit until the end of partition
> ---------------------------------------------------
>
> Key: FLINK-20671
> URL: https://issues.apache.org/jira/browse/FLINK-20671
> Project: Flink
> Issue Type: Bug
> Components: Connectors / FileSystem, Table SQL / Ecosystem
> Affects Versions: 1.12.0, 1.11.1
> Reporter: zhuxiaoshang
> Priority: Major
>
> According to DOC
> [https://ci.apache.org/projects/flink/flink-docs-master/dev/table/connectors/filesystem.html#partition-commit]
> the partition can be commited multiple times.
> Actually, the partition is commited until the end of partition.For example
> hourly partition, the 10th partition will be commited at 11 clock, even the
> `sink.partition-commit.delay` is 0s.
> In theory,if delay is 0s the partition should be commited on every checkpoint.
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