Re: Cassandra 0.8 questions

2011-05-24 Thread Jian Fang
Thanks a lot. This is really helpful. John On Tue, May 24, 2011 at 1:34 PM, Victor Kabdebon wrote: > It's not really possible to give a general answer your second question, it > depends of your implementation. Personally I do two thing : the first one is > to map arrays with a key and then name

Re: Cassandra 0.8 questions

2011-05-24 Thread Victor Kabdebon
It's not really possible to give a general answer your second question, it depends of your implementation. Personally I do two thing : the first one is to map arrays with a key and then name of column as a key of your array and value of column as the data storage. However for some application, as I

Re: Cassandra 0.8 questions

2011-05-24 Thread Jian Fang
Does anyone have a good suggestion on my second question? I believe that question is a pretty common one. My third question is a design question. For the same data, we can stored them into multiple column families or a single column family with multiple super columns. >From Cassandra read/write pe

Re: Cassandra 0.8 questions

2011-05-23 Thread Jian Fang
Nate, Really appreciate your quick response. Yes, I will sign up hector-users as well. Thanks, John On Mon, May 23, 2011 at 5:55 PM, Nate McCall wrote: > The Mutator#insert signature is a single insertion operation. To > "batch" operations, use Mutator#addInsertion. You must then call > Muta

Re: Cassandra 0.8 questions

2011-05-23 Thread Nate McCall
The Mutator#insert signature is a single insertion operation. To "batch" operations, use Mutator#addInsertion. You must then call Mutator#execute to send the batched operations. For Hector specific questions, feel free to sign up for hector-us...@googlegroups.com as well. On Mon, May 23, 2011 at

Cassandra 0.8 questions

2011-05-23 Thread Jian Fang
Hi, I am pretty new to Cassandra and am going to use Cassandra 0.8.0. I have two questions (sorry if they are very basic ones): 1) I have a column family to hold many super columns, say 30. When I first insert the data to the column family, do I need to insert each column one at a time or can I i