GitHub user yucai opened a pull request:
https://github.com/apache/spark/pull/21791
[SPARK-24832][SQL] Improve inputMetrics's bytesRead update for ColumnarBatch
## What changes were proposed in this pull request?
Currently, ColumnarBatch's bytesRead need to be updated every 4096 * 1000
rows, which makes the metrics out of date. This PR makes it update for each
batch.
## How was this patch tested?
Existing UTs.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/yucai/spark SPARK-24832
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/21791.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 #21791
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commit b9320c8d8a3735d4569709b51a0d66a7121e23cb
Author: yucai <yyu1@...>
Date: 2018-07-17T10:20:18Z
[SPARK-24832][SQL] Improve inputMetrics's bytesRead update for ColumnarBatch
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