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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-9187) FileUtil.CopyMerge should handle compressed input and output
Date Mon, 01 Sep 2014 03:39:21 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-9187?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14117004#comment-14117004

Hadoop QA commented on HADOOP-9187:

{color:green}+1 overall{color}.  Here are the results of testing the latest attachment 
  against trunk revision 258c7d0.

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 1 new or modified
test files.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of
javac compiler warnings.

    {color:green}+1 javadoc{color}.  There were no new javadoc warning messages.

    {color:green}+1 eclipse:eclipse{color}.  The patch built with eclipse:eclipse.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version
2.0.3) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:green}+1 core tests{color}.  The patch passed unit tests in hadoop-common-project/hadoop-common.

    {color:green}+1 contrib tests{color}.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-HADOOP-Build/4616//testReport/
Console output: https://builds.apache.org/job/PreCommit-HADOOP-Build/4616//console

This message is automatically generated.

> FileUtil.CopyMerge should handle compressed input and output
> ------------------------------------------------------------
>                 Key: HADOOP-9187
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9187
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: fs
>    Affects Versions: 2.3.0
>            Reporter: Ranadip
>            Assignee: Tsuyoshi OZAWA
>         Attachments: HADOOP-9187.1.patch, HADOOP-9187.2.patch
> This method, if run on compressed input, results in corrupt output since it just does
a byte-by-byte concatenation disregarding compression codecs. It should automatically detect
compression codecs from input files and handle them intelligently. 
> Additionally, there should be an option to create a compressed output file so that the
output can be efficiently stored and sent out to customers (over the network outside the cluster).

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