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From Adam Rosien <a...@rosien.net>
Subject Re: Cassandra data model misconceptions, and their sources
Date Tue, 18 Aug 2009 00:04:28 GMT
I find the diagrams of Evan and folks
(http://blog.evanweaver.com/files/cassandra/twitter.jpg) much easier
to grok than any particular naming scheme. Annotating that diagram
with specific implementations or constraints, like your wiki page, is
a great addition.

.. Adam

On Mon, Aug 17, 2009 at 3:32 PM, Mark McBride<mark.mcbride@gmail.com> wrote:
> My first attempt at a revamped data model wiki page is up here
>
> http://wiki.apache.org/cassandra/DataModel2
>
> This one follows phatduckk's approach of describing the data model
> bottom up, which I found more intuitive.  I'm interested to hear if
>
> 1) It corrects some of the misconceptions people have run into
> 2) The bottom up approach is more approachable than top down.
> 3) I got everything covered and everything right :)
>
>   ---Mark
>
> On Mon, Aug 17, 2009 at 11:31 AM, Edward
> Ribeiro<edward.ribeiro@gmail.com> wrote:
>> Right on target, Evan!
>>
>> When I first downloaded Cassandra, three months ago, I tried to make
>> the analogy with BigTable, whose paper I'd already read, but the
>> differences between Cassandra and BigTable made it quite hard to grasp
>> some Cassandra concepts.
>>
>> Imho, as Table was renamed to Keyspace then Column should be the next
>> concept to be renamed as showed by numbers 4, 5, 6, and 7 of your
>> list. I would suggest to rename Column to Attribute (with the
>> corresponding AttributeFamily or AttributeSet). It's not the best
>> name, but right off the bat is what I can suggest.
>>
>> Edward
>>
>

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