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https://issues.apache.org/jira/browse/HADOOP-7206?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vinod Kumar Vavilapalli updated HADOOP-7206:
--------------------------------------------
Fix Version/s: 0.23.0
1.0.1
Thank for the go signal, Matt. I just committed the back-ported patch to
branch-1 and branch-1.0.
Also, we need to set the fix version to be 1.0.2, but I cannot find it in the
version list. I set it to 1.0.1 for now, can you please fix it? Thanks!
> 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, 1.0.1
>
> Attachments: HADOOP-7206-002.patch, HADOOP-7206-20120223.txt,
> HADOOP-7206-20120302.txt, HADOOP-7206.patch, HADOOP-7206new-b.patch,
> HADOOP-7206new-c.patch, HADOOP-7206new.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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