Hi Dominique, I have the same problem! I would like to place an object in a specific node because I'm working in a spatial application. How should I choose the K1 part to forcing a given object to go to a node?
2013/1/3 DE VITO Dominique <dominique.dev...@thalesgroup.com> > Hi Everton,**** > > ** ** > > AFAIK, the pb is not forcing data to a specific node, but forcing some > kind of data locality.**** > > ** ** > > There is things into cql to do it: you define a composite key (K1, K2), > and K1 part is used as a rowkey and K2 is used within column name. So, all > rows with same K1 are on the same node.**** > > ** ** > > See also https://issues.apache.org/jira/browse/CASSANDRA-5054 **** > > ** ** > > Dominique**** > > ** ** > > ** ** > > *De :* Everton Lima [mailto:peitin.inu...@gmail.com] > *Envoyé :* mercredi 2 janvier 2013 19:20 > *À :* user@cassandra.apache.org > *Objet :* Re: Force data to a specific node**** > > ** ** > > We need to do this to minimize the network I/O. We have our own load data > balance algorithm. We have some data that is best to process in a local > machine. > Is it possible? How?**** > > 2013/1/2 Edward Sargisson <edward.sargis...@globalrelay.net>**** > > Why would you want to?**** > > ** ** > ------------------------------ > > *From*: Everton Lima <peitin.inu...@gmail.com> > *To*: Cassandra-User <user@cassandra.apache.org> > *Sent*: Wed Jan 02 18:03:49 2013 > *Subject*: Force data to a specific node **** > > It is possible to force a data to stay in a specific node? > > -- > Everton Lima Aleixo > Bacharel em Ciência da Computação pela UFG**** > > Mestrando em Ciência da Computação pela UFG**** > > Programador no LUPA**** > > ** ** > > > > > -- > Everton Lima Aleixo > Bacharel em Ciência da Computação pela UFG**** > > Mestrando em Ciência da Computação pela UFG**** > > Programador no LUPA**** > > ** ** > -- Atenciosamente, Sávio S. Teles de Oliveira voice: +55 62 9136 6996 http://br.linkedin.com/in/savioteles Mestrando em Ciências da Computação - UFG Arquiteto de Software Laboratory for Ubiquitous and Pervasive Applications (LUPA) - UFG
