GitHub user rxin opened a pull request:
https://github.com/apache/spark/pull/17465
[SPARK-20136][SQL] Add num files and metadata operation timing to scan
operator metrics
## What changes were proposed in this pull request?
This patch adds explicit metadata operation timing and number of files in
data source metrics. Those would be useful to include for performance profiling.
Screenshot of a UI with this change (num files and metadata time are new
metrics):
<img width="321" alt="screen shot 2017-03-29 at 12 29 28 am"
src="https://cloud.githubusercontent.com/assets/323388/24443272/d4ea58c0-1416-11e7-8940-ecb69375554a.png";>
## How was this patch tested?
N/A
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/rxin/spark SPARK-20136
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/17465.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 #17465
----
commit 9efc54866a2eaaf11dbb7ad9e09159352ecae748
Author: Reynold Xin <[email protected]>
Date: 2017-03-29T07:28:09Z
[SPARK-20136][SQL] Add num files and metadata operation timing to scan
metrics
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