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https://issues.apache.org/jira/browse/SPARK-19524?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15860023#comment-15860023
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Egor Pahomov commented on SPARK-19524:
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I'm really confused. I expected "new" to be the files created after start of
streaming job and old ones to be everything else in the folder. If we change
definition of "new", than I believe everything consistent between each other.
It's just I'm not sure that this "new" definition is very intuitive. I want to
process everything in folder - existing and upcoming. I use this flag. And now
it turns out, that this flag has it's own definition of "new". My be I'm not
correct to call it a bug, but isn't it all very confusing for person, who does
not really know who everything works inside?
> newFilesOnly does not work according to docs.
> ----------------------------------------------
>
> Key: SPARK-19524
> URL: https://issues.apache.org/jira/browse/SPARK-19524
> Project: Spark
> Issue Type: Bug
> Components: DStreams
> Affects Versions: 2.0.2
> Reporter: Egor Pahomov
>
> Docs says:
> newFilesOnly
> Should process only new files and ignore existing files in the directory
> It's not working.
> http://stackoverflow.com/questions/29852249/how-spark-streaming-identifies-new-files
> says, that it shouldn't work as expected.
> https://github.com/apache/spark/blob/master/streaming/src/main/scala/org/apache/spark/streaming/dstream/FileInputDStream.scala
> not clear at all in terms, what code tries to do
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