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https://issues.apache.org/jira/browse/SPARK-20568?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15995507#comment-15995507
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Shixiong Zhu commented on SPARK-20568:
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[~srowen] Structured Streaming's Source has a "commit" method to let a source
discard unused data. This should be easy to implement in Structured Streaming.
> Delete files after processing in structured streaming
> -----------------------------------------------------
>
> Key: SPARK-20568
> URL: https://issues.apache.org/jira/browse/SPARK-20568
> Project: Spark
> Issue Type: New Feature
> Components: Structured Streaming
> Affects Versions: 2.1.0
> Reporter: Saul Shanabrook
>
> It would be great to be able to delete files after processing them with
> structured streaming.
> For example, I am reading in a bunch of JSON files and converting them into
> Parquet. If the JSON files are not deleted after they are processed, it
> quickly fills up my hard drive. I originally [posted this on Stack
> Overflow|http://stackoverflow.com/q/43671757/907060] and was recommended to
> make a feature request for it.
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