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From "Daehyun Kim (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-6153) RAgzip: multiple map tasks for a large gzipped file
Date Mon, 27 Jul 2009 08:25:14 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-6153?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Daehyun Kim updated HADOOP-6153:

    Attachment: HADOOP-6153.patch

1. To merge RAGzip with GzipCodec class, I add a method 'getDecompressorForRandomAccess(...)'
to GzipCodec class. This method return the Decompressor for random access.

2. I add the '-makeap' option that is FS Shell Command. This option supports to make the access
point of the gzip.

> RAgzip: multiple map tasks for a large gzipped file
> ---------------------------------------------------
>                 Key: HADOOP-6153
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6153
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: io, native
>         Environment: It requires zlib or higher. (We tested on zlib 1.2.3)
>            Reporter: Daehyun Kim
>            Assignee: Daehyun Kim
>            Priority: Minor
>         Attachments: HADOOP-6153.patch
> It support to enable multiple map tasks for one large gzipped file.

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