incubator-cassandra-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Jonathan Ellis <jbel...@gmail.com>
Subject Re: drop/recreate column family race condition
Date Tue, 07 Sep 2010 21:50:09 GMT
On Tue, Sep 7, 2010 at 4:29 PM, B. Todd Burruss <bburruss@real.com> wrote:
> if you are referring to R, W, N - i am aware, but i have a one node cluster,
> with R=W=N = 1.  single threaded test app.  any column manipulations would
> be immediate because R+W>N, so i assume the same for column family
> manipulations.  is this an invalid assumption?

Gary can correct me if I'm wrong, but schema change is always
asynchronous as you can tell by having no ConsistencyLevel associated
with the calls.  You need to call check_schema_agreement to make sure
that the nodes are on the version returned by the migration call.

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

Mime
View raw message