GitHub user wangmiao1981 opened a pull request:
https://github.com/apache/spark/pull/15091
[Core][Doc]:remove redundant comment
## What changes were proposed in this pull request?
In the comment, there is redundant `the estimated`.
This PR simply remove the redundant comment and adjusts format.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/wangmiao1981/spark comment
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/15091.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 #15091
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commit f031bd91acf9c98a06afc9b6aa940248e17a8641
Author: wm...@hotmail.com <wm...@hotmail.com>
Date: 2016-09-14T05:16:32Z
remove redundant comment
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