GitHub user jinntrance opened a pull request:
https://github.com/apache/spark/pull/3697
[MLLIB]SPARK-4846: When the vocabulary size is large, Word2Vec may yield OOM
make variables syn0Global and syn1Global lazy, in order that the high-order
function passed to RDD.mapPartitionsWithIndex would not yield
OutOfMemoryError(Requested array size exceeds VM limit) when serialized if
syn0Global&syn1Global are too large arrays.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/jinntrance/spark branch-1.1-word2vec-fix
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/3697.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 #3697
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commit b33dfe7a5ccb6c4a2f46f0953d21e45fca2c7c1f
Author: Joseph J.C. Tang <[email protected]>
Date: 2014-12-15T02:59:57Z
make variables syn0Global and syn1Global lazy, in order that the high-order
function passed to RDD.mapPartitionsWithIndex would not yield
OutOfMemoryError(Requested array size exceeds VM limit) when serialized if
syn0Global&syn1Global are too large arrays.
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