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https://issues.apache.org/jira/browse/FLINK-6427?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15992631#comment-15992631
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Aljoscha Krettek commented on FLINK-6427:
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[~srichter], [~StephanEwen], what do you think? You mostly worked with DFS
related problems during the last release cycle.
> BucketingSink does not sync file length in case of cancel
> ---------------------------------------------------------
>
> Key: FLINK-6427
> URL: https://issues.apache.org/jira/browse/FLINK-6427
> Project: Flink
> Issue Type: Bug
> Components: Streaming Connectors
> Affects Versions: 1.3.0, 1.2.1
> Reporter: Aljoscha Krettek
> Assignee: Aljoscha Krettek
>
> This is from a discussion on the user mailing lists:
> https://lists.apache.org/thread.html/917dbbbd7c8f48b33e7b470fa9ed382df61cf43cb5deb46becebf4b5@%3Cuser.flink.apache.org%3E
> A possible solution is to add this to {{StreamWriterBase.hflushOrSync()}}:
> {code}
> if (os.getWrappedStream() instanceof DFSOutputStream) {
> ((DFSOutputStream)
> os.getWrappedStream()).hsync(EnumSet.of(HdfsDataOutputStream.SyncFlag.UPDATE_LENGTH));
> }
> {code}
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