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https://issues.apache.org/jira/browse/SPARK-3097?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiangrui Meng resolved SPARK-3097.
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Resolution: Fixed
Fix Version/s: 1.1.0
Issue resolved by pull request 1932
[https://github.com/apache/spark/pull/1932]
> Word2Vec Performance Improvement
> ---------------------------------
>
> Key: SPARK-3097
> URL: https://issues.apache.org/jira/browse/SPARK-3097
> Project: Spark
> Issue Type: Improvement
> Components: MLlib
> Affects Versions: 1.1.0
> Reporter: Liquan Pei
> Assignee: Liquan Pei
> Fix For: 1.1.0
>
>
> For each partition, the output model only contains words in that partition
> and use reduceByKey to combine models in different partition to reduce
> shuffle write and improve performance.
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