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https://issues.apache.org/jira/browse/SPARK-6177?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14350190#comment-14350190
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Sean Owen commented on SPARK-6177:
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I think this should at best be a 'note' in the example, per PR discussion.
> LDA should check partitions size of the input
> ---------------------------------------------
>
> Key: SPARK-6177
> URL: https://issues.apache.org/jira/browse/SPARK-6177
> Project: Spark
> Issue Type: Improvement
> Components: Examples, MLlib
> Affects Versions: 1.2.1
> Reporter: yuhao yang
> Priority: Minor
> Original Estimate: 1h
> Remaining Estimate: 1h
>
> sc.textFile will create RDD with one partition for each file, and the
> possible massive partitions downgrades LDA performance.
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