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https://issues.apache.org/jira/browse/NIFI-1663?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15344547#comment-15344547
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ASF GitHub Bot commented on NIFI-1663:
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Github user markap14 commented on the issue:

    https://github.com/apache/nifi/pull/477
  
    @mattyb149 Looks good for the most part. I left a few inline comments, just 
some tweaks that i think can probably help to cleanup the code. Also, I noticed 
OrcFlowFileWriter.java is a pretty hefty file. I think this is a slight 
modification to one of the writers in the Orc codebase, correct? does it make 
sense to instead create a PR for Apache Orc so that they can incorporate the 
slight change that is needed, instead of having to maintain that huge file that 
could change over time?


> Add support for ORC format
> --------------------------
>
>                 Key: NIFI-1663
>                 URL: https://issues.apache.org/jira/browse/NIFI-1663
>             Project: Apache NiFi
>          Issue Type: New Feature
>            Reporter: Matt Burgess
>            Assignee: Matt Burgess
>             Fix For: 1.0.0
>
>
> From the Hive/ORC wiki 
> (https://cwiki.apache.org/confluence/display/Hive/LanguageManual+ORC): 
> The Optimized Row Columnar (ORC) file format provides a highly efficient way 
> to store Hive data ... Using ORC files improves performance when Hive is 
> reading, writing, and processing data.
> As users are interested in NiFi integrations with Hive (NIFI-981, NIFI-1193, 
> etc.), NiFi should be able to support ORC file format to enable users to 
> efficiently store flow files for use by Hive.



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