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https://issues.apache.org/jira/browse/HADOOP-9187?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14117004#comment-14117004
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Hadoop QA commented on HADOOP-9187:
-----------------------------------
{color:green}+1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12665694/HADOOP-9187.2.patch
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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