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From "Hemanth Yamijala (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-5879) GzipCodec should read compression level etc from configuration
Date Tue, 09 Feb 2010 06:47:28 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-5879?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Hemanth Yamijala updated HADOOP-5879:
-------------------------------------

    Release Note: Provide an ability to configure the compression level and strategy for codecs.

> GzipCodec should read compression level etc from configuration
> --------------------------------------------------------------
>
>                 Key: HADOOP-5879
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5879
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: io
>            Reporter: Zheng Shao
>            Assignee: He Yongqiang
>             Fix For: 0.21.0
>
>         Attachments: H5879-5.patch, hadoop-5879-5-21.patch, hadoop-5879-7-13-2.patch,
hadoop-5879-7-13-3.patch, hadoop-5879-7-18-3.patch, hadoop-5879-7-26.patch, hadoop-5879-yahoo-0.20-v1.0.patch
>
>
> GzipCodec currently uses the default compression level. We should allow overriding the
default value from Configuration.
> {code}
>   static final class GzipZlibCompressor extends ZlibCompressor {
>     public GzipZlibCompressor() {
>       super(ZlibCompressor.CompressionLevel.DEFAULT_COMPRESSION,
>           ZlibCompressor.CompressionStrategy.DEFAULT_STRATEGY,
>           ZlibCompressor.CompressionHeader.GZIP_FORMAT, 64*1024);
>     }
>   }
> {code}

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