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https://issues.apache.org/jira/browse/NIFI-912?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14768968#comment-14768968
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Mark Payne commented on NIFI-912:
---------------------------------

And now that I have found the unit test that tests failure (turns out i'm not 
very good at reading apparently), all looks great. +1

> Support extracting metadata from Avro file headers
> --------------------------------------------------
>
>                 Key: NIFI-912
>                 URL: https://issues.apache.org/jira/browse/NIFI-912
>             Project: Apache NiFi
>          Issue Type: Improvement
>            Reporter: Bryan Bende
>            Assignee: Bryan Bende
>            Priority: Minor
>             Fix For: 0.4.0
>
>         Attachments: NIFI-912-2.patch, NIFI-912-3.patch, NIFI-912.patch
>
>
> Extract metadata from Avro file headers to FlowFile attributes so that 
> downstream processors can make decisions, such as merging together records of 
> compatible schemas (i.e. the correlation attribute).
> Information to extract:
> - Schema definition (full, not fp)
> - Schema fingerprint
> - Schema root record name (if schema is a record)
> - Key/value metadata, like compression codec



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