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https://issues.apache.org/jira/browse/SPARK-28117?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Owen updated SPARK-28117:
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Priority: Minor (was: Major)
> LDA and BisectingKMeans cache the input dataset if necessary
> ------------------------------------------------------------
>
> Key: SPARK-28117
> URL: https://issues.apache.org/jira/browse/SPARK-28117
> Project: Spark
> Issue Type: Improvement
> Components: ML
> Affects Versions: 3.0.0
> Reporter: zhengruifeng
> Priority: Minor
>
> In MLLIB-LDA, if the EM solver caches the dataset internally, while the
> Online do not.
> So in the ML-LDA, we need to cache the internmediate dataset if necessary.
>
> BisectingKMeans also needs too.
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