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From Mason Hale <ma...@onespot.com>
Subject Re: Does anybody work about transaction on cassandra ?
Date Thu, 22 Apr 2010 15:35:03 GMT
You might also consider using a Software Transactional Memory[1] approach. I
haven't personally tried it, but there is a Scala/Java framework named Akka
that provides both STM features and Cassandra support. Should be worth a
look. Here's a nice write-up from someone who has already done some
exploring: http://codemonkeyism.com/cassandra-scala-akka/

 [1] http://en.wikipedia.org/wiki/Software_transactional_memory
 [2] http://doc.akkasource.org/

Mason Hale
http://www.onespot.com


On Thu, Apr 22, 2010 at 9:14 AM, Miguel Verde <miguelitovert@gmail.com>wrote:

> No, as far as I know no one is working on transaction support in
> Cassandra.  Transactions are orthogonal to the design of Cassandra[1][2],
> although a system could be designed incorporating Cassandra and other
> elements a la Google's MegaStore[3] to support transactions.  Google uses
> Paxos, one might be able to use Zookeeper[4] to design such a system, but it
> would be a daunting task.
>
> [1] http://www.julianbrowne.com/article/viewer/brewers-cap-theorem
> [2] http://www.allthingsdistributed.com/2008/12/eventually_consistent.html
> [3] http://perspectives.mvdirona.com/2008/07/10/GoogleMegastore.aspx
> [4] http://hadoop.apache.org/zookeeper/
>
> On Thu, Apr 22, 2010 at 2:56 AM, Jeff Zhang <zjffdu@gmail.com> wrote:
>
>> Hi all,
>>
>> I need transaction support on cassandra, so wondering is anybody work on
>> it ?
>>
>>
>> --
>> Best Regards
>>
>> Jeff Zhang
>>
>
>

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