GitHub user yinxusen opened a pull request:
https://github.com/apache/spark/pull/14049
[SPARK-16369][MLlib] tallSkinnyQR of RowMatrix should aware of empty
partition
## What changes were proposed in this pull request?
tallSkinnyQR of RowMatrix should aware of empty partition, which could
cause exception from Breeze qr decomposition.
See the [archived dev
mail](https://mail-archives.apache.org/mod_mbox/spark-dev/201510.mbox/%3ccaf7adnrycvpl3qx-vzjhq4oymiuuhoscut_tkom63cm18ik...@mail.gmail.com%3E)
for more details.
## How was this patch tested?
Scala unit test.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/yinxusen/spark SPARK-16369
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/14049.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 #14049
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commit 72991dbec4c5c5e38fa0ab74a6b83d87007a7f12
Author: Xusen Yin <[email protected]>
Date: 2016-07-04T22:24:55Z
fix empty partition issue
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