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From "Johan Oskarsson (JIRA)" <j...@apache.org>
Subject [jira] Commented: (CASSANDRA-47) SSTable compression
Date Mon, 31 Aug 2009 08:15:32 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-47?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12749418#action_12749418
] 

Johan Oskarsson commented on CASSANDRA-47:
------------------------------------------

While Lzo is great, it is unfortunately not compatible with the Apache license. They had to
remove it from Hadoop, see HADOOP-4874. In that ticket they mention a couple of alternatives
such as http://www.fastlz.org/ or lzf http://h2database.googlecode.com/svn/trunk/h2/src/main/org/h2/compress/

It would be possible to do what Hadoop has done and released the lzo bindings separately,
but that would make it harder for users to find and use.

> SSTable compression
> -------------------
>
>                 Key: CASSANDRA-47
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-47
>             Project: Cassandra
>          Issue Type: New Feature
>          Components: Core
>            Reporter: Jonathan Ellis
>            Priority: Minor
>
> We should be able to do SSTable compression which would trade CPU for I/O (almost always
a good trade).

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