zookeeper-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Alexander Shraer <shra...@gmail.com>
Subject Re: Running Zookeeper in 2 machines
Date Tue, 05 Nov 2013 22:42:18 GMT
yes, and more than that - its theoretically impossible to tolerate
half or more failures in a completely asynchronous environment if you
want to provide strongly consistent replicated storage. Similar to the
CAP theorem - in ZK when there is a partition we choose C over A.


On Tue, Nov 5, 2013 at 2:29 PM, Cameron McKenzie <mckenzie.cam@gmail.com> wrote:
> Yes, I guess in this situation there's no guarantee that A has the latest
> data. I think that this is just an inherent limitation of the quorum based
> writes though. Unless you have three separate machines at geographically
> redundant sites, I don't think that you have true redundancy.
> cheers
> Cam

Mime
View raw message