I have rows with around 2K-50K columns but when I do a query I only need to
fetch few columns between start and end columns. I was wondering what
performance overhead does it cause by using slice query with start and end
columns?
Looking at the code it looks like when you give start and end column
Cassandra has distributed architecture. So 1 node does not fit into it.
although it can used but you loose its benefits , ok if you are just
playing around, use vm to learn how cluster communicate, handle request.
To get full tolerance, redundancy and consistency minimum 3 node is
required.
Imp
its not advisable to use cassandra on single node, as its basic definition says if a node fails, data still remains in the system, atleast 3 nodes must be there while setting up a cassandra cluster. Garvita MehtaCEG - Open Source Technology GroupTata Consultancy ServicesPh:- +91 22 67324756Mailto:
hi,
I m puneet, an engineering student. I would like to know that, is cassandra
useful considering we just have a single node(rather a single system)
having all the information.
I m looking for decent response time for the database. can you please
respond?
Thank you ,
Regards,
Puneet Loya
