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From Erik Holstad <erikhols...@gmail.com>
Subject Re: Is Cassandra a document based DB?
Date Mon, 01 Mar 2010 21:49:24 GMT
On Mon, Mar 1, 2010 at 4:41 AM, Brandon Williams <driftx@gmail.com> wrote:

> On Mon, Mar 1, 2010 at 5:34 AM, HHB <hubaghdadi@yahoo.ca> wrote:
>
>>
>> What are the advantages/disadvantages of Cassandra over HBase?
>>
>
> Ease of setup: all nodes are the same.
>
> No single point of failure: all nodes are the same.
>
> Speed: http://www.brianfrankcooper.net/pubs/ycsb-v4.pdf
>
> Richer model: supercolumns.
>
I think that there are people that would be of a different opinion here.
Cassandra has
as I've understood it table:key:name:val and in cases the val is a
serialized data structure.
In HBase you have table:row:family:key:val:version, which some people might
consider
richer.

>
> Multi-datacenter awareness.
>
> There are likely other things I'm forgetting, but those stand out for me.
>
> -Brandon
>



-- 
Regards Erik

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