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https://issues.apache.org/jira/browse/FLINK-19425?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Metzger updated FLINK-19425:
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Fix Version/s: (was: 1.12.0)
1.13.0
> Correct the usage of BulkWriter#flush and BulkWriter#finish
> -----------------------------------------------------------
>
> Key: FLINK-19425
> URL: https://issues.apache.org/jira/browse/FLINK-19425
> Project: Flink
> Issue Type: Improvement
> Components: Connectors / Common
> Affects Versions: 1.11.0
> Reporter: hailong wang
> Priority: Major
> Fix For: 1.11.0, 1.13.0
>
>
> From the comments, BulkWriter#finish method should flush all buffer before
> close.
> But some subclasses of it do not flush data. These classes are as follows:
> 1.AvroBulkWriter#finish
> 2.HadoopCompressionBulkWriter#finish
> 3.NoCompressionBulkWriter#finish
> 4.SequenceFileWriter#finish
> We should invoke BulkWriter#flush in this finish methods.
> On the other hand, We don't have to invoke BulkWriter#flush in close method.
> For BulkWriter#finish will flush all data.
> 1. HadoopPathBasedPartFileWriter#closeForCommit
> 2. BulkPartWriter#closeForCommit
> 3. FileSystemTableSink#OutputFormat#close
>
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