GitHub user jerryshao opened a pull request:
https://github.com/apache/spark/pull/15545
[SPARK-17999][Kafka][SQL] Add getPreferredLocations for KafkaSourceRDD
## What changes were proposed in this pull request?
The newly implemented Structured Streaming `KafkaSource` did calculate the
preferred locations for each topic partition, but didn't offer this information
through RDD's `getPreferredLocations` method. So here propose to add this
method in `KafkaSourceRDD`.
## How was this patch tested?
Manual verification.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/jerryshao/apache-spark SPARK-17999
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/15545.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 #15545
commit 1d8622f86d22061eaf1db07404ea1a334faaa266
Author: jerryshao
Date: 2016-10-19T03:02:02Z
Add getPreferredLocations for KafkaSourceRDD
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