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https://issues.apache.org/jira/browse/PIO-38?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15504135#comment-15504135
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Marcin ZiemiƄski commented on PIO-38:
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[~woj_in] Could you elaborate more on what you would like to see in 
PredictionIO? Would it be simply another storage system for events using Apache 
Parquet or you mean some different kind of workflow in PredictionIO based on 
stream processing and making use of Parquet?

> add Apache Parquet as a data source
> -----------------------------------
>
>                 Key: PIO-38
>                 URL: https://issues.apache.org/jira/browse/PIO-38
>             Project: PredictionIO
>          Issue Type: New Feature
>            Reporter: Wojciech Indyk
>              Labels: features
>
> Apache Parquet (https://parquet.apache.org/) is a columnar data store, native 
> for Apache Spark and very well suited to storing batch data (as an input) for 
> PredictionIO Engine.
> Parquet is very popular to archive clickstream, so it would enable to use 
> PredictionIO without additional import of data (and duplication) to HBase.



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