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https://issues.apache.org/jira/browse/HADOOP-6835?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Allen Wittenauer updated HADOOP-6835:
-------------------------------------
Summary: Support concatenated gzip files (was: Support concatenated gzip
and bzip2 files)
> Support concatenated gzip files
> -------------------------------
>
> Key: HADOOP-6835
> URL: https://issues.apache.org/jira/browse/HADOOP-6835
> Project: Hadoop Common
> Issue Type: Improvement
> Components: io
> Affects Versions: 0.20.2
> Reporter: Tom White
> Assignee: Greg Roelofs
> Fix For: 0.22.0
>
> Attachments: C6835-9.patch,
> HADOOP-6835.v3.yahoo-0.20.2xx-branch.patch,
> HADOOP-6835.v4.trunk-hadoop-common.patch,
> HADOOP-6835.v4.trunk-hadoop-mapreduce.patch,
> HADOOP-6835.v4.yahoo-0.20.2xx-branch.patch,
> HADOOP-6835.v5.trunk-hadoop-common.patch,
> HADOOP-6835.v6.trunk-hadoop-common.patch,
> HADOOP-6835.v7.trunk-hadoop-common.patch,
> HADOOP-6835.v8.trunk-hadoop-common.patch,
> HADOOP-6835.v9.yahoo-0.20.2xx-branch.patch,
> MR-469.v2.yahoo-0.20.2xx-branch.patch, grr-hadoop-common.dif.20100614c,
> grr-hadoop-mapreduce.dif.20100614c
>
>
> When running MapReduce with concatenated gzip files as input only the first
> part is read, which is confusing, to say the least. Concatenated gzip is
> described in http://www.gnu.org/software/gzip/manual/gzip.html#Advanced-usage
> and in http://www.ietf.org/rfc/rfc1952.txt. (See original report at
> http://www.nabble.com/Problem-with-Hadoop-and-concatenated-gzip-files-to21383097.html)
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