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From "Jonathan Ellis (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-3434) Explore using Guava (or guava inspired) faster bytes comparison
Date Mon, 31 Oct 2011 19:17:32 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-3434?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13140465#comment-13140465
] 

Jonathan Ellis commented on CASSANDRA-3434:
-------------------------------------------

Adding Chris's links from CASSANDRA-3435:

 - http://hiroshiyamauchi.blogspot.com/2010/08/fast-unsigned-byte-lexicographical.html
 - http://code.google.com/p/guava-libraries/source/browse/guava/src/com/google/common/primitives/UnsignedBytes.java?name=v10.0.1
                
> Explore using Guava (or guava inspired) faster bytes comparison
> ---------------------------------------------------------------
>
>                 Key: CASSANDRA-3434
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-3434
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>            Reporter: Sylvain Lebresne
>            Priority: Minor
>
> Guava uses un.misc.Unsafe to do a faster byte arrays comparison (on long at a time) as
noted in HADOOP-7761.
> We should probably look into it.

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