GitHub user cloud-fan opened a pull request:
https://github.com/apache/spark/pull/16391
[SPARK-18990][SQL] make DatasetBenchmark fairer for Dataset
## What changes were proposed in this pull request?
Currently `DatasetBenchmark` use `case class Data(l: Long, s: String)` as
the record type of `RDD` and `Dataset`, which introduce serialization overhead
only to `Dataset` and is unfair.
This PR use `Long` as the record type, to be fairer for `Dataset`
## How was this patch tested?
existing tests
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/cloud-fan/spark benchmark
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/16391.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 #16391
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commit 43da0af12b40e1425e95fc944723b2a6539dbabc
Author: Wenchen Fan <[email protected]>
Date: 2016-12-23T17:14:48Z
make DatasetBenchmark fairer for Dataset
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