GitHub user jerryshao opened a pull request:
https://github.com/apache/spark/pull/9238
[SPARK-11272][Core] Support importing and exporting event logs from
HistoryServer web portal
This patch helps user to easily download the event logs from HistoryServer,
or upload other's log to debug and replay. Quite useful for user to seek help
or identify problem for others. Here is the screenshot:

Please review. Thanks a lot.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/jerryshao/apache-spark SPARK-11272
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/9238.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 #9238
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commit f92393fbf1c031499b09903fb86a184f196d78b6
Author: jerryshao <[email protected]>
Date: 2015-10-23T03:59:10Z
Support importing and exporting event logs from HistoryServer web portal
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