GitHub user sharkdtu opened a pull request:
https://github.com/apache/spark/pull/13123
[Core] Remove unnecessary calculation of stage's parents
## What changes were proposed in this pull request?
Remove unnecessary calculation of stage's parents, because stage's parents
have been set at the time of stage construction.
## How was this patch tested?
Make use of the existing test cases
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/sharkdtu/spark master
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/13123.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 #13123
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commit 6e93108e5a6642938bc1d16c3f204714f05e4bd5
Author: sharkd <[email protected]>
Date: 2016-05-15T09:15:02Z
Remove unnecessary calculation of stage's parents
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