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https://issues.apache.org/jira/browse/HADOOP-6835?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12884120#action_12884120
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Greg Roelofs commented on HADOOP-6835:
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OK, so auto-patch doesn't know about the split projects, and hadoop-mapreduce
patches don't work in hadoop-common.
I tried moving the test case to
hadoop-common/src/test/core/org/apache/hadoop/io/compress, but it depends on
too many MR classes to be workable (JobConf, Reporter, RecordReader, FileSplit,
InputSplit, FileInputFormat, TextInputFormat). So I guess the procedure is (1)
reupload the hadoop-common patch and mark as patch-available [actually, I
missed a fix in TestCodec, so I need to upload a new one anyway]; (2) get that
past QA and checked in; (3) open a separate MR JIRA, attach the test case, and
mark it patch-available; and (4) get _that_ past QA and checked in, too.
If there's an easier way, feel free to enlighten me. (On a related note, I was
told by Reliable Sources to blame Owen, but he just left town. Coincidence?)
> Support concatenated gzip and bzip2 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: grr-hadoop-common.dif.20100614c,
> grr-hadoop-mapreduce.dif.20100614c,
> 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,
> MR-469.v2.yahoo-0.20.2xx-branch.patch
>
>
> 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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