[jira] [Resolved] (HADOOP-7206) Integrate Snappy compression

["Tsz Wo (Nicholas), SZE (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HADOOP-7206?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tsz Wo (Nicholas), SZE resolved HADOOP-7206.
--------------------------------------------

    Resolution: Fixed

Let's fix the javadoc in HADOOP-7408.  Thanks T Jake and Tom.

> 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: T Jake Luciani
>             Fix For: 0.23.0
>
>         Attachments: HADOOP-7206-002.patch, HADOOP-7206.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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