On 05/10/2010 16:30, Ryan King wrote:
On Tue, Oct 5, 2010 at 8:23 AM, Ian Rogers wrote:
Does Cassandra have an atomic test-or-set operation?
That is, I want to check to see if a key has a value and, if not, set it to
something. But it must be an atomic operation - I can't do a sep
Does Cassandra have an atomic test-or-set operation?
That is, I want to check to see if a key has a value and, if not, set it
to something. But it must be an atomic operation - I can't do a
separate fetch and then set from the application as that creates a
possible race condition with anothe
Ellis wrote:
from the Upgrading section of NEWS.txt:
The Cassandra inter-node protocol is incompatible with 0.6.x
releases (and with 0.7 beta1), meaning you will have to bring your
cluster down prior to upgrading
On Mon, Oct 4, 2010 at 8:53 AM, Ian Rogers wrote:
I've tried to
I've tried to do a rolling upgrade of a 3-node ring from beta1 to beta2
but got the error below. The new node seems to come up fine - I can
connect to it with cassandra-cli and see the keyspaces - but it doesn't
join the ring.
My method was:
- stop old cassandra
- mv old cassandra dir to new p