GitHub user AnthonyTruchet opened a pull request:
https://github.com/apache/spark/pull/16040
[SPARK-18612][MLLIB] Delete broadcasted variable in LBFGS CostFun
## What changes were proposed in this pull request?
Fix a broadcasted variable leak occurring at each invocation of CostFun in
L-BFGS.
## How was this patch tested?
UTests + check that fixed fatal memory consumption on Criteo's use cases.
This contribution is made on behalf of Criteo S.A.
(http://labs.criteo.com/) under the terms of the Apache v2 License.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/criteo-forks/spark SPARK-18612-lbfgs-cost-fun
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/16040.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 #16040
----
commit 7aa7976c695ba9519164c2e5f76ff2faed373960
Author: Anthony Truchet <[email protected]>
Date: 2016-11-28T16:22:23Z
[SPARK-18612][MLLIB] Delete broadcasted variable in LBFGS CostFun
This contribution is made on behalf of Criteo S.A.
(http://labs.criteo.com/) under the terms of the Apache v2 License.
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