GitHub user dilipbiswal opened a pull request:
https://github.com/apache/spark/pull/22641
[SPARK-25611][SPARK-25622][SQL][TESTS] Improve test run time of
CompressionCodecSuite
## What changes were proposed in this pull request?
I am using the idea of @mgaido91 to pick the test codecs randomly and
selecting 1 in each loop to reduce the test combinations.
The test runtime below :
```
[info] - both table-level and session-level compression are set (20
seconds, 607 milliseconds)
[info] - table-level compression is not set but session-level compressions
is set (14 seconds, 584 milliseconds)
[info] - both table-level and session-level compression are set (20
seconds, 140 milliseconds)
[info] - table-level compression is not set but session-level compressions
is set (14 seconds, 393 milliseconds)
[info] - both table-level and session-level compression are set (21
seconds, 410 milliseconds)
[info] - table-level compression is not set but session-level compressions
is set (14 seconds, 778 milliseconds)
```
## How was this patch tested?
(Please explain how this patch was tested. E.g. unit tests, integration
tests, manual tests)
(If this patch involves UI changes, please attach a screenshot; otherwise,
remove this)
Please review http://spark.apache.org/contributing.html before opening a
pull request.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/dilipbiswal/spark SPARK-25611
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/22641.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 #22641
----
commit 2d7ffa65be68a34a1c80daea207b26ffbb008afd
Author: Dilip Biswal <dbiswal@...>
Date: 2018-10-05T09:57:46Z
[SPARK-25611][SPARK-25622] Improve test run time of CompressionCodecSuite
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