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Date: Thu, 2 Jun 2011 21:37:47 +0000 (UTC)
From: "Todd Lipcon (JIRA)" <jira@apache.org>
To: common-issues@hadoop.apache.org
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Subject: [jira] [Commented] (HADOOP-7350) Use ServiceLoader to discover
 compression codec classes
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    [ https://issues.apache.org/jira/browse/HADOOP-7350?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13043066#comment-13043066 ] 

Todd Lipcon commented on HADOOP-7350:
-------------------------------------

bq. This doesn't need to be updated

Sorry, the default doesn't need to change, but the docs should be updated: it no longer needs to be one of the codecs listed in io.compression.codecs. It just needs to be any codec that's "registered" (either via conf or via ServiceLoader). I don't know the best verbiage to succinctly document it, though.

The rest of your points make sense.

> Use ServiceLoader to discover compression codec classes
> -------------------------------------------------------
>
>                 Key: HADOOP-7350
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7350
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: conf, io
>            Reporter: Tom White
>            Assignee: Tom White
>         Attachments: HADOOP-7350.patch, HADOOP-7350.patch
>
>
> By using a ServiceLoader users wouldn't have to add codec classes to io.compression.codecs for codecs that aren't shipped with Hadoop (e.g. LZO), since they would be automatically picked up from the classpath.

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