GitHub user vijoshi opened a pull request:
https://github.com/apache/spark/pull/15556
[SPARK-18010][Core] Reduce work performed for building up the application
list for the History Server app list UI page
## What changes were proposed in this pull request?
allow ReplayListenerBus to skip deserialising and replaying certain events
using an inexpensive check of the event log entry. Use this to ensure that when
event log replay is triggered for building the application list, we get the
ReplayListenerBus to skip over all but the few events needed for our immediate
purpose.
## How was this patch tested?
Tested with existing HistoryServer and ReplayListener unit test suites. All
tests pass.
Please review
https://cwiki.apache.org/confluence/display/SPARK/Contributing+to+Spark before
opening a pull request.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/vijoshi/spark SAAS-467_master
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/15556.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 #15556
----
commit 5dc06f9cc43a904c6c2473d5e99357dc46ffa3e8
Author: Vinayak <[email protected]>
Date: 2016-10-19T10:41:35Z
initial commit
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