Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/2765#discussion_r25066019
--- Diff: docs/streaming-programming-guide.md ---
@@ -659,6 +659,7 @@ methods for creating DStreams from files and Akka
actors as input sources.
+ Once moved, the files must not be changed. So if the files are
being continuously appended, the new data will not be read.
For simple text files, there is an easier method
`streamingContext.textFileStream(dataDirectory)`. And file streams do not
require running a receiver, hence does not require allocating cores.
+ If Spark Streaming monitor the directory in nested directories, there
is an easier method `streamingContext.textFileStream(dataDirectory, depth)`.
--- End diff --
I don't think this is necessary here.
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