[jira] [Commented] (CASSANDRA-3772) Evaluate Murmur3-based partitioner

["Drew Kutcharian (Commented) (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CASSANDRA-3772?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13195960#comment-13195960 ] 

Drew Kutcharian commented on CASSANDRA-3772:
--------------------------------------------

It probably wouldn't be such a bad idea to also evaluate CityHash which is expected to be even faster than Murmur.

http://code.google.com/p/cityhash/
http://en.wikipedia.org/wiki/CityHash

                
> Evaluate Murmur3-based partitioner
> ----------------------------------
>
>                 Key: CASSANDRA-3772
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-3772
>             Project: Cassandra
>          Issue Type: New Feature
>            Reporter: Jonathan Ellis
>             Fix For: 1.2
>
>
> MD5 is a relatively heavyweight hash to use when we don't need cryptographic qualities, just a good output distribution.  Let's see how much overhead we can save by using Murmur3 instead.

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