GitHub user sarutak opened a pull request:
https://github.com/apache/spark/pull/14908
[WEBUI][SPARK-17352]Executor computing time can be negative-number because
of calculation error
## What changes were proposed in this pull request?
In StagePage, executor-computing-time is calculated but calculation error
can occur potentially because it's calculated by subtraction of floating
numbers.
Following capture is an example.
<img width="949" alt="capture-timeline"
src="https://cloud.githubusercontent.com/assets/4736016/18152359/43f07a28-7030-11e6-8cbd-8e73bf4c4c67.png";>
## How was this patch tested?
Manual tests.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/sarutak/spark SPARK-17352
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/14908.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 #14908
----
commit 0908a365970ced444fea0b9107c37484189d209d
Author: Kousuke Saruta <[email protected]>
Date: 2016-09-01T01:14:59Z
Fixed calculation error in StagePage
----
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