GitHub user hhbyyh opened a pull request:
https://github.com/apache/spark/pull/10721
[SPARK-12685] [MLlib] [Backport to 1.4]word2vec trainWordsCount gets
overflow
jira: https://issues.apache.org/jira/browse/SPARK-12685
master PR: https://github.com/apache/spark/pull/10627
the log of word2vec reports
trainWordsCount = -785727483
during computation over a large dataset.
Update the priority as it will affect the computation process.
alpha = learningRate * (1 - numPartitions * wordCount.toDouble /
(trainWordsCount + 1))
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/hhbyyh/spark branch-1.4
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/10721.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 #10721
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commit 27ba58609805c1b51082305eba4c1970de72c498
Author: Yuhao Yang <[email protected]>
Date: 2016-01-12T06:59:56Z
fix overflow in w2v
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