GitHub user MrBago opened a pull request:
https://github.com/apache/spark/pull/20143
[SPARK-22949][ML] Apply CrossValidator approach to Driver/Distributed
memory tradeoff for TrainValidationSplit
## What changes were proposed in this pull request?
Avoid holding all models in memory for `TrainValidationSplit`.
## How was this patch tested?
Existing tests.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/MrBago/spark trainValidMemoryFix
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/20143.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 #20143
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commit 6aa46f8f652fc5da8346eae68755ac2b51e355a5
Author: Bago Amirbekian <bago@...>
Date: 2018-01-03T23:12:34Z
Apply CrossValidator approach to Driver/Distributed memory tradeoff for
TrainValidationSplit.
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