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https://issues.apache.org/jira/browse/HADOOP-2113?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12538199
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Enis Soztutar commented on HADOOP-2113:
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I rather think of implementing a more general set of tools to operate sequence
files. Because sequence files are at the heart of mapred operations, making
human-interprettable operations should be supported by the framework. The set
of operations that I can think of include :
# find value given key
# find values with keys matching given regex (dump to text file)
# dump sequence file to text file (using keyClass.toString() and
valueClass.toString())
# find pairs in the given key1-key2 range.
# dump metadata and statistics of the sf, such as number of record, key range,
etc.
# ... suggestions ?
> 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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