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https://issues.apache.org/jira/browse/CASSANDRA-3772?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13199516#comment-13199516
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Dave Brosius edited comment on CASSANDRA-3772 at 2/3/12 4:56 AM:
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Doing 1000 inserts of a 5 column CF on a single node cluster on a really lousy
machine seems to show that the guava murmur hash is significantly slower than
MD5. 5x? perhaps. Perhaps it's just the guava implementation, as opposed to the
Murmur3 algorithm.
was (Author: dbros...@apache.org):
Doing 1000 inserts of a 5 column CF on a single node cluster on a really
lousy machine seems to show that the guava murmur hash is significantly slower
than MD5. 5x? perhaps. Perhaps it's just the guava implementation, as opposed
to the Murmur3 implementation.
> 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
>
> Attachments: try_murmur3.diff
>
>
> 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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