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From Jonathan Ellis <jbel...@gmail.com>
Subject Re: Question about sharding of rows and atomicity
Date Wed, 05 Oct 2011 18:15:25 GMT
On Wed, Oct 5, 2011 at 1:09 PM, Don Smith <dsmith@likewise.com> wrote:
> Does Cassandra shard the columns of a single row across multiple nodes so
> that to read the columns of the row it may need access to multiple nodes?
> I'd say "no."

Correct.

>   Will a read from a given node ever return partial results or
> is the write to a node of a row atomic?

http://wiki.apache.org/cassandra/FAQ#batch_mutate_atomic

-- 
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of DataStax, the source for professional Cassandra support
http://www.datastax.com

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