Re: Is Cassandra right for me?

2012-09-21 Thread Marcelo Elias Del Valle
2012/9/20 aaron morton aa...@thelastpickle.com Actually, if I use community edition for now, I wouldn't be able to use hadoop against data stored in CFS? AFAIK DSC is a packaged deployment of Apache Cassandra. You should be ale to use Hadoop against it, in the same way you can use hadoop

Re: Is Cassandra right for me?

2012-09-21 Thread Michael Kjellman
user@cassandra.apache.orgmailto:user@cassandra.apache.org Subject: Re: Is Cassandra right for me? 2012/9/20 aaron morton aa...@thelastpickle.commailto:aa...@thelastpickle.com Actually, if I use community edition for now, I wouldn't be able to use hadoop against data stored in CFS? AFAIK DSC

Re: Is Cassandra right for me?

2012-09-21 Thread Marcelo Elias Del Valle
@cassandra.apache.org Date: Friday, September 21, 2012 10:27 AM To: user@cassandra.apache.orgmailto:user@cassandra.apache.org user@cassandra.apache.orgmailto:user@cassandra.apache.org Subject: Re: Is Cassandra right for me? 2012/9/20 aaron morton aa...@thelastpickle.commailto: aa...@thelastpickle.com

Re: Is Cassandra right for me?

2012-09-20 Thread aaron morton
Actually, if I use community edition for now, I wouldn't be able to use hadoop against data stored in CFS? AFAIK DSC is a packaged deployment of Apache Cassandra. You should be ale to use Hadoop against it, in the same way you can use hadoop against Apache Cassandra. You can do anything

Re: Is Cassandra right for me?

2012-09-18 Thread aaron morton
Also, I saw a presentation which said that if I don't have rows with more than a hundred rows in Cassandra, whether I am doing something wrong or I shouldn't be using Cassandra. I do not agree with that statement. (I read that as rows with ore than a hundred _columns_) I need to support a

Re: Is Cassandra right for me?

2012-09-18 Thread Hiller, Dean
@cassandra.apache.org user@cassandra.apache.orgmailto:user@cassandra.apache.org Subject: Is Cassandra right for me? Hello, I am new to Cassandra and I am in doubt if Cassandra is the right technology to use in the architecture I am defining. Also, I saw a presentation which said that if I don't

Re: Is Cassandra right for me?

2012-09-18 Thread Marcelo Elias Del Valle
Aaron, Thank you very much for the answers! Helped me a lot! I would like just a bit more clarification about the points bellow, if you allow me: - You can query your data using Hadoop easily enough. You may want take a look at DSE from http://datastax.com/ it makes using Hadoop

Re: Is Cassandra right for me?

2012-09-18 Thread Marcelo Elias Del Valle
@cassandra.apache.orgmailto:user@cassandra.apache.org Subject: Is Cassandra right for me? Hello, I am new to Cassandra and I am in doubt if Cassandra is the right technology to use in the architecture I am defining. Also, I saw a presentation which said that if I don't have rows with more than a hundred rows

Re: Is Cassandra right for me?

2012-09-18 Thread Hiller, Dean
Until Aaron replies, here are my thoughts on the relational piece… If everything in my model fits into a relational database, if my data is structured, would it still be a good idea to use Cassandra? Why? The playOrm project explores exactly this issue……A query on 1,000,000 rows in a

Re: Is Cassandra right for me?

2012-09-18 Thread Marcelo Elias Del Valle
You're talking about this project, right? https://github.com/deanhiller/playorm I will take a look. However, I don't think using Cassandra's model itself (with CFs / key-values) would be a problem, I just need to know where the advantage relies on. By your answer, my guess is it relies on better

Re: Is Cassandra right for me?

2012-09-18 Thread Hiller, Dean
@cassandra.apache.org user@cassandra.apache.orgmailto:user@cassandra.apache.org Subject: Re: Is Cassandra right for me? I also saw that if I plan to use Data Stax enterprise to get real time analytics, my data would need to be stored in Cassandra's usual format. It would harder for me use PlayOrm if I am

Re: Is Cassandra right for me?

2012-09-18 Thread Hiller, Dean
@cassandra.apache.orgmailto:user@cassandra.apache.org user@cassandra.apache.orgmailto:user@cassandra.apache.org Subject: Re: Is Cassandra right for me? You're talking about this project, right? https://github.com/deanhiller/playorm I will take a look. However, I don't think using Cassandra's

Is Cassandra right for me?

2012-09-17 Thread Marcelo Elias Del Valle
Hello, I am new to Cassandra and I am in doubt if Cassandra is the right technology to use in the architecture I am defining. Also, I saw a presentation which said that if I don't have rows with more than a hundred rows in Cassandra, whether I am doing something wrong or I shouldn't be using