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 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, Y

Re: PHP client crashed if a column value > 8192 bytes

2010-04-22 Thread Zhiguo Zhang
Maybe you have to send this message also to thrift user mail list? On Thu, Apr 22, 2010 at 6:34 AM, Ken Sandney wrote: > After many attempts I found this error only occurred when using PHP > thrift_protocol extension. I don't know if there are some parameters that I > could adjust for this issu

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 wrote: > Hello everyone > > We are

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 wrote: > I'm also new to cassandra and about the same question I asked me if using > super columns with one key per ve

Re: New User: OSX vs. Debian on Cassandra 0.5.0 with Thrift

2010-04-14 Thread Zhiguo Zhang
Hi, sorry I can't help you, but could you please tell me, how could you get the charts in the attachment? Thanks. Mike On Wed, Apr 14, 2010 at 6:38 AM, Heath Oderman wrote: > Hi, > > I wrote a few days ago and got a few good suggestions. I'm still seeing > dramatic differences between Cassand