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From aaron morton <aa...@thelastpickle.com>
Subject Re: database design
Date Thu, 14 Apr 2011 08:59:03 GMT
In some cases you may be able to add a secondary index. 

Aaron

On 14 Apr 2011, at 03:11, Edward Capriolo wrote:

> On Wed, Apr 13, 2011 at 10:39 AM, Jean-Yves LEBLEU <jlebleu@gmail.com> wrote:
>> Hi all,
>> 
>> Just some thoughts and question I have about cassandra data modeling.
>> 
>> If I understand well, cassandra is better on writing than on reading.
>> So you have to think about your queries to design cassandra schema. We
>> are doing incremental design, and already have our system in
>> production and we have to develop new queries.
>> How do you usualy do when you have new queries, do you write a
>> specific job to update data in the database to match the new query you
>> are writing ?
>> 
>> Thanks for your help.
>> 
>> Jean-Yves
>> 
> 
> Good point, Generally you will need to write some type of range
> scanning/map reduce application to process and back fill your data.


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