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From "Pavel Yaskevich (JIRA)" <>
Subject [jira] [Commented] (CASSANDRA-3772) Evaluate Murmur3-based partitioner
Date Wed, 22 Aug 2012 16:03:42 GMT


Pavel Yaskevich commented on CASSANDRA-3772:

What is the point of doing that? Making BigInteger from long is very straight-forward thing,
doesn't give more overhead than converting to Long.
> Evaluate Murmur3-based partitioner
> ----------------------------------
>                 Key: CASSANDRA-3772
>                 URL:
>             Project: Cassandra
>          Issue Type: New Feature
>          Components: Core
>            Reporter: Jonathan Ellis
>            Assignee: Pavel Yaskevich
>             Fix For: 1.2.0
>         Attachments: 0001-CASSANDRA-3772.patch, 0001-CASSANDRA-3772-Test.patch, CASSANDRA-3772-v2.patch,
CASSANDRA-3772-v3.patch, hashed_partitioner_3.diff, hashed_partitioner.diff, MumPartitionerTest.docx,
try_murmur3_2.diff, 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

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