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https://issues.apache.org/jira/browse/HADOOP-7206?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13054566#comment-13054566
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Hadoop QA commented on HADOOP-7206:
-----------------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12483739/HADOOP-7206revertplusnew-b.patch
against trunk revision 1139123.
+1 @author. The patch does not contain any @author tags.
+1 tests included. The patch appears to include 3 new or modified tests.
+1 javadoc. The javadoc tool did not generate any warning messages.
+1 javac. The applied patch does not increase the total number of javac
compiler warnings.
+1 findbugs. The patch does not introduce any new Findbugs (version 1.3.9)
warnings.
-1 release audit. The applied patch generated 2 release audit warnings
(more than the trunk's current 1 warnings).
+1 core tests. The patch passed core unit tests.
+1 system test framework. The patch passed system test framework compile.
Test results:
https://builds.apache.org/job/PreCommit-HADOOP-Build/669//testReport/
Release audit warnings:
https://builds.apache.org/job/PreCommit-HADOOP-Build/669//artifact/trunk/patchprocess/patchReleaseAuditProblems.txt
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HADOOP-Build/669//artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output:
https://builds.apache.org/job/PreCommit-HADOOP-Build/669//console
This message is automatically generated.
> Integrate Snappy compression
> ----------------------------
>
> Key: HADOOP-7206
> URL: https://issues.apache.org/jira/browse/HADOOP-7206
> Project: Hadoop Common
> Issue Type: New Feature
> Affects Versions: 0.21.0
> Reporter: Eli Collins
> Assignee: Alejandro Abdelnur
> Fix For: 0.23.0
>
> Attachments: HADOOP-7206-002.patch, HADOOP-7206.patch,
> HADOOP-7206revertplusnew-b.patch, HADOOP-7206revertplusnew.patch,
> v2-HADOOP-7206-snappy-codec-using-snappy-java.txt,
> v3-HADOOP-7206-snappy-codec-using-snappy-java.txt,
> v4-HADOOP-7206-snappy-codec-using-snappy-java.txt,
> v5-HADOOP-7206-snappy-codec-using-snappy-java.txt
>
>
> Google release Zippy as an open source (APLv2) project called Snappy
> (http://code.google.com/p/snappy). This tracks integrating it into Hadoop.
> {quote}
> Snappy is a compression/decompression library. It does not aim for maximum
> compression, or compatibility with any other compression library; instead, it
> aims for very high speeds and reasonable compression. For instance, compared
> to the fastest mode of zlib, Snappy is an order of magnitude faster for most
> inputs, but the resulting compressed files are anywhere from 20% to 100%
> bigger. On a single core of a Core i7 processor in 64-bit mode, Snappy
> compresses at about 250 MB/sec or more and decompresses at about 500 MB/sec
> or more.
> {quote}
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