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From Jonathan Ellis <jbel...@gmail.com>
Subject Re: What happens if there is a collision?
Date Thu, 21 Oct 2010 02:43:24 GMT
On Wed, Oct 20, 2010 at 8:38 PM, Jérôme Verstrynge <jverstry@gmail.com> wrote:
> -) Let's imagine node A updates MyColumn with value 'AAA' and timestamp
> 3567890
> -) Let's imagine node E updates MyColumn with value 'EEE' and timestamp
> 3567890
>
> What happens? Who wins? Is it deterministic?

value breaks ties if timestamps are identical, so AAA would win.

> Let's imagine node A performs 3 writes before node E, is any node notified
> of the collision?

I don't understand the question.

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

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