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Date: Sun, 13 Sep 2009 17:08:57 -0700 (PDT)
From: "Chris Douglas (JIRA)" <jira@apache.org>
To: common-issues@hadoop.apache.org
Subject: [jira] Updated: (HADOOP-5879) GzipCodec should read compression
 level etc from configuration
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     [ https://issues.apache.org/jira/browse/HADOOP-5879?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chris Douglas updated HADOOP-5879:
----------------------------------

    Attachment: H5879-5.patch

* Merged with trunk
* Calls end() in reinit, avoiding leak
* Removes construct and resetStrategyAndCompressionLevel, which caused findbugs warnings. Relies on invariant windowBits set in cstr for Default/ZlibCompressors to avoid reemergence of HADOOP-5281
* Updated unit test to verify that compression level is reset

> 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
>         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
>
>
> 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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