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https://issues.apache.org/jira/browse/HADOOP-8597?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13453179#comment-13453179
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Doug Cutting commented on HADOOP-8597:
--------------------------------------
Ivan, patches are normally against trunk. After they're committed to trunk
they may be backported to a branch.
http://wiki.apache.org/hadoop/HowToContribute
This patch should probably be committed to trunk and to branch-2 with
fix-version 2.0.3-alpha.
> FsShell's Text command should be able to read avro data files
> -------------------------------------------------------------
>
> Key: HADOOP-8597
> URL: https://issues.apache.org/jira/browse/HADOOP-8597
> Project: Hadoop Common
> Issue Type: New Feature
> Components: fs
> Affects Versions: 2.0.0-alpha
> Reporter: Harsh J
> Assignee: Ivan Vladimirov Ivanov
> Labels: newbie
> Attachments: HADOOP-8597-2.patch, HADOOP-8597.patch,
> HADOOP-8597.patch, HADOOP-8597.patch
>
>
> Similar to SequenceFiles are Apache Avro's DataFiles. Since these are getting
> popular as a data format, perhaps it would be useful if {{fs -text}} were to
> add some support for reading it, like it reads SequenceFiles. Should be easy
> since Avro is already a dependency and provides the required classes.
> Of discussion is the output we ought to emit. Avro DataFiles aren't simple as
> text, nor have they the singular Key-Value pair structure of SequenceFiles.
> They usually contain a set of fields defined as a record, and the usual text
> emit, as available from avro-tools via
> http://avro.apache.org/docs/current/api/java/org/apache/avro/tool/DataFileReadTool.html,
> is in proper JSON format.
> I think we should use the JSON format as the output, rather than a delimited
> form, for there are many complex structures in Avro and JSON is the easiest
> and least-work-to-do way to display it (Avro supports json dumping by itself).
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