GitHub user cenyuhai opened a pull request:
https://github.com/apache/spark/pull/14969
[SPARK-17406][WEB-UI] limit timeline executor events
## What changes were proposed in this pull request?
The job page will be too slow to open when there are thousands of executor
events(added or removed). I found that in ExecutorsTab file, executorIdToData
will not remove elements, it will increase all the time.Before this pr, it
looks like
[timeline1.png](https://issues.apache.org/jira/secure/attachment/12827112/timeline1.png).
After this pr, it looks like
[timeline2.png](https://issues.apache.org/jira/secure/attachment/12827113/timeline2.png)(we
can set how many events will be displayed)
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/cenyuhai/spark SPARK-17406
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/14969.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 #14969
----
commit c368f885aa539da622f95093c51205af11c9d7a1
Author: cenyuhai <[email protected]>
Date: 2016-09-06T05:25:53Z
limit timeline executor events
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