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From Jonathan Ellis <>
Subject Re: Trove maps
Date Fri, 23 Apr 2010 19:55:28 GMT
>From what I have seen Trove is only a win when you are doing Maps of
primitives, which is mostly not what we use in Cassandra.  (The one
exception I can think of is a map of int -> columnfamilies in
CommitLogHeader.  You're welcome to experiment and see if using Trove
there or elsewhere makes a measurable difference with


On Fri, Apr 23, 2010 at 2:50 PM, Carlos Sanchez
<> wrote:
> Jonathan,
> Have you thought of using Trove collections instead of regular java collections (HashMap
/ HashSet) in Cassandra? Trove maps are faster and require less memory
> Carlos
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