GitHub user viirya opened a pull request:
https://github.com/apache/spark/pull/8484
[SPARK-10065][SQL] Avoid triple copying of var-length objects in Array in
tungsten projection
JIRA: https://issues.apache.org/jira/browse/SPARK-10065
Currently we do unnecessary copying of objects in the array. We should
avoid them.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/viirya/spark-1 avoid-triple-obj-copying
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/8484.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 #8484
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commit 9e118c228e57b5a78dd1c370f261cd40a42ec1d3
Author: Liang-Chi Hsieh <[email protected]>
Date: 2015-08-27T11:06:29Z
Avoid triple copying of var-length objects in Array in tungsten projection.
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