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https://issues.apache.org/jira/browse/SPARK-21050?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16045763#comment-16045763
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Apache Spark commented on SPARK-21050:
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User 'jkbradley' has created a pull request for this issue:
https://github.com/apache/spark/pull/18265
> ml word2vec write has overflow issue in calculating numPartitions
> -----------------------------------------------------------------
>
> Key: SPARK-21050
> URL: https://issues.apache.org/jira/browse/SPARK-21050
> Project: Spark
> Issue Type: Bug
> Components: ML
> Affects Versions: 2.2.0
> Reporter: Joseph K. Bradley
> Assignee: Joseph K. Bradley
>
> The method calculateNumberOfPartitions() uses Int, not Long (unlike the MLlib
> version), so it is very easily to have an overflow in calculating the number
> of partitions for ML persistence.
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