For example,each row represent a job record,it has fields like "user","site","CPUTime","datasize","JobType"... The fields in CF is fixed,just like a table.The query like this "select CPUTime,User,site from CF(or tablename) where user=xxx and Jobtype=xxx"
Best regards 2013/3/24 cem <cayiro...@gmail.com> > Hi, > > Could you provide some other details about your schema design and queries? > It is very hard to tell anything. > > Regards, > Cem > > > On Sun, Mar 24, 2013 at 12:40 PM, dong.yajun <dongt...@gmail.com> wrote: > >> Hello, >> >> I'd suggest you to take look at the difference between Nosql and RDMS. >> >> Best, >> >> On Sun, Mar 24, 2013 at 5:15 PM, 张刚 <zhang.i...@gmail.com> wrote: >> >>> Hello, >>> I am new to Cassandra.I do some test on a single machine. I install >>> Cassandra with a binary tarball distribution. >>> I create a CF to store the data that get from MySQL. The CF has the same >>> fields as the table in MySQL. So it looks like a table. >>> I do the same select from the CF in Cassandra and the table in MySQL,and >>> I find the processing time of MySQL is better than Cassandra. >>> So,I wander what are the advantages of Cassandra compare MySQL and how >>> to improve the performance of Cassandra. >>> Is this the right way to use Cassandra. >>> >>> >> >> >> -- >> *Ric Dong* >> >> >
