i don't get it. Suppose i have a data model and i have million of rows and suppose i want perform some select and some insert , it is not feasible to use cassandra for those reasons?
-- francesco.tangari....@gmail.com Inviato con Sparrow (http://www.sparrowmailapp.com/?sig) Il giorno mercoledì 25 gennaio 2012, alle ore 09.13, aaron morton ha scritto: > You data load is fine. > > It sounds like you will run into issues with the data model and functionality > of cassandra. "Standard Analysis" in the RDBMS sense of throwing any ad-hoc > query at the data and letting the query engine work it out is not possible > without using HIVE/PIG or some other query language. > > You will need to understand what sort of questions you want from the data up > from. The best way to learn this lesson is put together and quick prototype > and see how the data model works. > > Hope that helps. > > ----------------- > Aaron Morton > Freelance Developer > @aaronmorton > http://www.thelastpickle.com > > > > > > > On 25/01/2012, at 8:09 PM, francesco.tangari....@gmail.com > (mailto:francesco.tangari....@gmail.com) wrote: > > make example of cases please? > > > > -- > > francesco.tangari....@gmail.com (mailto:francesco.tangari....@gmail.com) > > Inviato con Sparrow (http://www.sparrowmailapp.com/?sig) > > > > > > Il giorno mercoledì 25 gennaio 2012, alle ore 05.29, Gustavo Gustavo ha > > scritto: > > > > > That's for sure not much. > > > Your rdbms can probably hold the entire dataset in memory, and you can do > > > all kinds for queries that you want. Cassandra is for some very specific > > > use cases. > > > If you really need a cluster, have you thought about MySQL Cluster? > > > > > > 2012/1/25 <francesco.tangari....@gmail.com > > > (mailto:francesco.tangari....@gmail.com)> > > > > Standard analysis, display or aggregate some rows > > > > or standard operations that i can do on a normal dbms > > > > > > > > > > > > -- > > > > francesco.tangari....@gmail.com (mailto:francesco.tangari....@gmail.com) > > > > Inviato con Sparrow (http://www.sparrowmailapp.com/?sig) > > > > > > > > > > > > Il giorno mercoledì 25 gennaio 2012, alle ore 04.26, Maxim Potekhin ha > > > > scritto: > > > > > > > > > You provide zero information on what you are planning to do with the > > > > > data. > > > > > Thus, your question is impossible to answer. > > > > > > > > > > > > > > > On 1/24/2012 9:38 PM, francesco.tangari....@gmail.com > > > > > (mailto:francesco.tangari....@gmail.com) wrote: > > > > > > Do you think that for a standard project with 50.000.000 of rows on > > > > > > 2-3 machines cassandra is appropriate > > > > > > or i should use a normal dbms? > > > > > > > > > > > > -- > > > > > > francesco.tangari....@gmail.com > > > > > > (mailto:francesco.tangari....@gmail.com) > > > > > > Inviato con Sparrow (http://www.sparrowmailapp.com/?sig) > > > > > > > > > > > > > > > > > > > > >
