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https://issues.apache.org/jira/browse/HADOOP-2113?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12538838
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Enis Soztutar commented on HADOOP-2113:
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bq. I think I've explained this command poorly. It attempts to render whatever
exists at a given path as human-readable text.
Himm, i guess i've just assumed that the file would be a SequenceFile, in which
case the patch dumps all the contents of the file. But what i propose is more
general for sequence files, but it lacks other file types.
bq. aren't each of those commands easily implemented in map/reduce?
yes, they can be easily implemented as MR jobs, or local jobs, but the
framework should include such jobs.
Now understanding the original intention, I am OK with the current patch and I
suggest we finalize this patch, and continue with Hadoop-175 for SF handling.
We can later change SF dumping code(TextRecordInputStream) in Hadoop-175.
> Add "-text" command to FsShell to decode SequenceFile to stdout
> ---------------------------------------------------------------
>
> Key: HADOOP-2113
> URL: https://issues.apache.org/jira/browse/HADOOP-2113
> Project: Hadoop
> Issue Type: Improvement
> Components: fs
> Reporter: Chris Douglas
> Assignee: Chris Douglas
> Priority: Minor
> Fix For: 0.16.0
>
> Attachments: 2113-0.patch
>
>
> FsShell should provide a command to examine SequenceFiles.
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