GitHub user rxin opened a pull request:
https://github.com/apache/spark/pull/17464
[SPARK-20134][SQL] SQLMetrics.postDriverMetricUpdates to simplify driver
side metric updates
## What changes were proposed in this pull request?
It is not super intuitive how to update SQLMetric on the driver side. This
patch introduces a new SQLMetrics.postDriverMetricUpdates function to do that,
and adds documentation to make it more obvious.
## How was this patch tested?
Updated a test case to use this method.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/rxin/spark SPARK-20134
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/17464.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 #17464
----
commit 360e9d71b1865443fe45920cd938fe8e8d1354e3
Author: Reynold Xin <r...@databricks.com>
Date: 2017-03-29T04:54:12Z
[SPARK-20134][SQL] SQLMetrics.postDriverMetricUpdates to simplify driver
side metric updates
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