There is a JMX operation to get the endpoints for a token http://wiki.apache.org/cassandra/JmxInterface#org.apache.cassandra.service.StorageService.Operations.getNaturalEndpoints
You can also specify a key when using bin/sstable2json if you want to grab the actual data from a file. If you were using vpn for security have you looked at encryption in 0.8 ? https://svn.apache.org/viewvc/cassandra/tags/cassandra-0.8.0-beta1/NEWS.txt?view=co Aaron On 18 Apr 2011, at 19:21, Sasha Dolgy wrote: > Hi Everyone, > > Starting to shift focus now to the NetworkTopology strategy and how it > works with Ec2Snitch. .. or how it can be complemented. A few > questions have come to mind: > > - how can i validate and assure that if RF=3 and the topology is > designed such that 2 copies are kept in 1 DC and a 3rd is kept in > another DC? Is there a way to query a key to find out where that key > physically exists? > - In defining the network topology for Ec2 ... has anyone done this, > with success? Reading material is a bit sparse in this area > > Finally, for what it's worth, I circumvented some of the problems I > was having with region <- -- -> region communication with Ec2 and > cassandra by routing all cassandra traffic through vpn tunnels. This > has greatly reduced the latency while still allowing me to utilize the > Ec2 snitch to report on where each instance is. > > -sd > > -- > Sasha Dolgy > sasha.do...@gmail.com
