Re: New user asking for advice on database design

2010-04-22 Thread Zhiguo Zhang
do you have read the article WTF is a SuperColumn? An Intro to the Cassandra Data Modelhttp://arin.me/blog/wtf-is-a-supercolumn-cassandra-data-model? link: http://arin.me/blog/wtf-is-a-supercolumn-cassandra-data-model it is a good article for data model. On Thu, Apr 22, 2010 at 10:38 AM,

Re: History values

2010-04-14 Thread Zhiguo Zhang
I think it is still to young, and have to wait or write your self the graphical console, at least, I don't find any until now. On Wed, Apr 14, 2010 at 10:04 AM, Bertil Chapuis bchap...@gmail.com wrote: I'm also new to cassandra and about the same question I asked me if using super columns with

Re: Time-series data model

2010-04-14 Thread Zhiguo Zhang
first of all I am a new bee by Non-SQL. I try write down my opinions as references: If I were you, I will use 2 columnfamilys: 1.CF, key is devices 2.CF, key is timeuuid how do u think about that? Mike On Wed, Apr 14, 2010 at 3:02 PM, Jean-Pierre Bergamin ja...@ractive.chwrote: Hello