Re: Handling topology changes

2011-12-21 Thread Pierre-Yves Ritschard
A couple of nodes per month, but with peaks. I will test the nodetool move based scenario then. Cheers, - pyr On Wed, Dec 21, 2011 at 10:10 PM, aaron morton wrote: > How often is "relatively often" ? > > * having a fixed amount of nodes with initial tokens and letting new >  ones auto bootstr

Re: Handling topology changes

2011-12-21 Thread aaron morton
How often is "relatively often" ? > * having a fixed amount of nodes with initial tokens and letting new > ones auto bootstrap themselves Generally a bad idea, you should make sure nodes re given sensible tokens that evenly distribute the data. Cheers - Aaron Morton Freelan

Handling topology changes

2011-12-21 Thread pyr
Hi, I wonder about the best strategy when a cluster sees changes in its topology relatively often. My main concern is how to handle the initial token for new nodes. If a cluster is first created with 7 nodes for which the initial token is calculated with the formula here: http://wiki.apache.org/c