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https://issues.apache.org/jira/browse/FLINK-10005?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16564842#comment-16564842
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ASF GitHub Bot commented on FLINK-10005:
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kl0u commented on issue #6466: [FLINK-10005][DataStream API] StreamingFileSink:
sets initialPartCounter=maxUsed in new Buckets
URL: https://github.com/apache/flink/pull/6466#issuecomment-409468865
Because this will close the previous AND open a new part file, meaning all
buckets, active and inactive, will always be in state. Which we do not want.
Also, it means that a bucket that has specified a `rollingInterval` will have a
lot of empty part files, as they will open, receive no elements, close due to
timeout, and open the next one.
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> StreamingFileSink ignores checkpoint/processing time rolling policies
> ---------------------------------------------------------------------
>
> Key: FLINK-10005
> URL: https://issues.apache.org/jira/browse/FLINK-10005
> Project: Flink
> Issue Type: Bug
> Components: Streaming Connectors
> Affects Versions: 1.6.0
> Reporter: Chesnay Schepler
> Assignee: Kostas Kloudas
> Priority: Blocker
> Labels: pull-request-available
> Fix For: 1.6.0
>
>
> The {{StreamingFileSink}} supports different policies to determine whether a
> new part file should be created; on each checkpoint, once a certain size is
> reached or on processing time.
> This feature only works correctly for size thresholds, other policies are
> ignored.
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