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https://issues.apache.org/jira/browse/HADOOP-11472?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Colin Patrick McCabe moved HDFS-7602 to HADOOP-11472:
-----------------------------------------------------
Component/s: (was: tools)
(was: hdfs-client)
tools
Affects Version/s: (was: 2.5.0)
2.5.0
Key: HADOOP-11472 (was: HDFS-7602)
Project: Hadoop Common (was: Hadoop HDFS)
> HDFS file utility
> -----------------
>
> Key: HADOOP-11472
> URL: https://issues.apache.org/jira/browse/HADOOP-11472
> Project: Hadoop Common
> Issue Type: Improvement
> Components: tools
> Affects Versions: 2.5.0
> Reporter: James Kinley
> Priority: Minor
>
> Provide a utility to determine HDFS file formats and compression types, akin
> to Linux's file utility.
> There is no easy way to do this today, short of downloading a file and
> running Linux's file utility on it for at least some intelligence. Although,
> Linux's magic file does not contain any information to identify the leading
> bytes of Hadoop's common file formats, for example: 'S', 'E', 'Q' for
> SequenceFiles, or 'P', 'A', 'R', '1' for Parquet.
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