GitHub user WeichenXu123 opened a pull request:
https://github.com/apache/spark/pull/14483
[SPARK-16880][ML][MLLib] make ann training data persisted if needed
## What changes were proposed in this pull request?
To Make sure ANN layer input training data to be persisted,
so that it can avoid overhead cost if the RDD need to be computed from
lineage.
## How was this patch tested?
Existing Tests.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/WeichenXu123/spark
add_ann_persist_training_data
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/14483.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 #14483
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commit 0bfece8fea0599a4a4493d6a6822d0c6e542745b
Author: WeichenXu <[email protected]>
Date: 2016-08-03T12:11:19Z
add ann persist training data if needed
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