[GitHub] spark pull request #17743: [SPARK-20448][DOCS] Document how FileInputDStream...

[asfgit]

Github user asfgit closed the pull request at:

https://github.com/apache/spark/pull/17743


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[GitHub] spark pull request #17743: [SPARK-20448][DOCS] Document how FileInputDStream...

[steveloughran]

GitHub user steveloughran opened a pull request:

https://github.com/apache/spark/pull/17743

[SPARK-20448][DOCS] Document how FileInputDStream works with object storage

Change-Id: I88c272444ca734dc2cbc2592607c11287b90a383

## What changes were proposed in this pull request?

The documentation on File DStreams is enhanced to

1. Detail the exact timestamp logic for examining directories and files.
1. Detail how object stores different from filesystems, and so how using 
them as a source of data should be treated with caution, possibly publishing 
data to the store differently (direct PUTs as opposed to stage + rename)

## How was this patch tested?

n/a

You can merge this pull request into a Git repository by running:

$ git pull https://github.com/steveloughran/spark 
cloud/SPARK-20448-document-dstream-blobstore

Alternatively you can review and apply these changes as the patch at:

https://github.com/apache/spark/pull/17743.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

This closes #17743


commit c83af37fa0258f6b32676c7f5f909143cc5c6caa
Author: Steve Loughran 
Date:   2017-04-24T12:26:26Z

SPARK-20448 Document how FileInputDStream works with object storage

Change-Id: I88c272444ca734dc2cbc2592607c11287b90a383




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