One more question, can I add a virtual node manually without reboot and rebuild a host data?
I checked nodetool command, there is no option to add a node. Thanks. Zhong On Jan 29, 2013, at 11:09 AM, Zhong Li wrote: > I was misunderstood this > http://www.datastax.com/dev/blog/virtual-nodes-in-cassandra-1-2 , especially > "If you want to get started with vnodes on a fresh cluster, however, that is > fairly straightforward. Just don’t set the initial_token parameter in > yourconf/cassandra.yaml and instead enable the num_tokens parameter. A good > default value for this is 256" > > Also I couldn't find document about set multiple tokens for > cassandra.inital_token > > Anyway, I just tested, it does work to set comma separated list of tokens. > > Thanks, > > Zhong > > > On Jan 29, 2013, at 3:06 AM, aaron morton wrote: > >>> After I searched some document on Datastax website and some old ticket, >>> seems that it works for random partitioner only, and leaves order preserved >>> partitioner out of the luck. >> Links ? >> >>> or allow add Virtual Nodes manually? >> If not looked into it but there is a cassandra.inital_token startup param >> that takes a comma separated list of tokens for the node. >> >> There also appears to be support for the ordered partitions to generate >> random tokens. >> >> But you would still have the problem of having to balance your row keys >> around the token space. >> >> Cheers >> >> ----------------- >> Aaron Morton >> Freelance Cassandra Developer >> New Zealand >> >> @aaronmorton >> http://www.thelastpickle.com >> >> On 29/01/2013, at 10:31 AM, Zhong Li <z...@voxeo.com> wrote: >> >>> Hi All, >>> >>> Virtual Nodes is great feature. After I searched some document on Datastax >>> website and some old ticket, seems that it works for random partitioner >>> only, and leaves order preserved partitioner out of the luck. I may >>> misunderstand, please correct me. if it doesn't love order preserved >>> partitioner, would be possible to add support multiple initial_token(s) for >>> order preserved partitioner or allow add Virtual Nodes manually? >>> >>> Thanks, >>> >>> Zhong >> >
