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https://issues.apache.org/jira/browse/STORM-1464?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15203466#comment-15203466
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ASF GitHub Bot commented on STORM-1464:
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Github user arunmahadevan commented on the pull request:

    https://github.com/apache/storm/pull/1044#issuecomment-198995107
  
    @dossett thanks for the clarification. So the tuples with different schema 
are written to the next rotated file. I was assuming some association between 
the writer key / schema with the file name. May be that could be a follow on 
enhancement.
    
    +1 for merging this in.


> storm-hdfs should support writing to multiple files
> ---------------------------------------------------
>
>                 Key: STORM-1464
>                 URL: https://issues.apache.org/jira/browse/STORM-1464
>             Project: Apache Storm
>          Issue Type: Improvement
>          Components: storm-hdfs
>            Reporter: Aaron Dossett
>            Assignee: Aaron Dossett
>              Labels: avro
>
> Examples of when this is needed include:
> - One avro bolt writing multiple schemas, each of which require a different 
> file. Schema evolution is a common use of avro and the avro bolt should 
> support that seamlessly.
> - Partitioning output to different directories based on the tuple contents.  
> For example, if the tuple contains a "USER" field, it should be possible to 
> partition based on that value.



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