[jira] [Commented] (FLINK-6427) BucketingSink does not sync file length in case of cancel

["Aljoscha Krettek (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-6427?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15992631#comment-15992631 ] 

Aljoscha Krettek commented on FLINK-6427:
-----------------------------------------

[~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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