Look into sqoop. I believe using sqoop you can transfer data between C* clusters. I haven't tested it though. other option is to write a program to read from one cluster and write the required data to another.
On Tue, Apr 14, 2015 at 12:27 PM, skrynnikov_m <[email protected] > wrote: > Hello!!! > Need to migrate data from one C* cluster to another periodically. During > migration schema can change(add or remove one, two fields). Could you > please suggest some tool? > >
