Do you mean orthogonal like Commit and Rollback?? For example after we perform Rollback, hence we cannot going back.
>Including "transaction" in Cassandra needs to turn 90 degrees >the design of Cassandra I do not understand what is the meaning of "needs to turn 90 degrees"?? Thank you. On Sun, Apr 25, 2010 at 12:30 AM, Benoit Perroud <ben...@noisette.ch> wrote: > "orthogonal" means "go to the opposite direction, but without going > back". Including "transaction" in Cassandra needs to turn 90 degrees > the design of Cassandra. > > Kind regards, > > Benoit. > > > > 2010/4/24 dir dir <sikerasa...@gmail.com>: > >>Transactions are orthogonal to the design of Cassandra > > > > Sorry, Would you want to tell me what is an orthogonal mean in this > > context?? > > honestly I do not understand what is it. > > > > Thank you. > > > > > > On Thu, Apr 22, 2010 at 9:14 PM, Miguel Verde <miguelitov...@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 <zjf...@gmail.com> wrote: > >>> > >>> Hi all, > >>> > >>> I need transaction support on cassandra, so wondering is anybody work > on > >>> it ? > >>> > >>> > >>> -- > >>> Best Regards > >>> > >>> Jeff Zhang > >> > > > > >
