GitHub user WeichenXu123 opened a pull request:
https://github.com/apache/spark/pull/14333
[SPARK-16696][ML][MLLib] unused broadcast variables do destroy call to
release memory in time
## What changes were proposed in this pull request?
update unused broadcast in KMeans/LDAOptimizer/Word2Vec,
use destroy(false) to release memory in time.
and several place destroy() update to destroy(false) so that it will be
async-called,
it will better than blocking called.
## 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
broadvar_unpersist_to_destroy
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/14333.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 #14333
----
commit 52afc038c79ab8176bf760d65793e8d5f94d4d4a
Author: WeichenXu <weichenxu...@outlook.com>
Date: 2016-07-20T14:12:41Z
broadvar_unpersist_to_destroy
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