GitHub user akopich opened a pull request:
https://github.com/apache/spark/pull/18924
[SPARK-14371] [MLLIB] OnlineLDAOptimizer should not collect stats for each
doc in mini-batch to driver
Hi,
as it was proposed by Joseph K. Bradley, gammat are not collected to the
driver anymore.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/akopich/spark master
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/18924.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 #18924
----
commit f81f1cdcf6de1dafdc79c1801cc2e2f1f803f4cc
Author: Valeriy Avanesov <[email protected]>
Date: 2017-08-11T16:28:38Z
[SPARK-14371] [MLLIB] OnlineLDAOptimizer should not collect stats for each
doc in mini-batch to driver
gammat are not collected to a local matrix but rather represented as
RDD[BDV[Double]] and are aggregated in a distributed manner
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