Thanks, get it. It is working after I translate the private ip to elastic ip.
On Wed, Jun 25, 2014 at 1:51 PM, Andrey Ilinykh <ailin...@gmail.com> wrote: > yes, of course. Private ip is real ip address of node. Cassandra can > listen on this ip only. elastic ip is external. It belongs to AWS firewall. > It is similar to your web router. You can forward your external port to > local one, but application running on your local node doesn't know anything > about it. > > > On Wed, Jun 25, 2014 at 1:25 PM, Huiliang Zhang <zhl...@gmail.com> wrote: > >> Thanks. In fact, it is Cassandra that returns private ip of nodes to my >> program by: >> >> client.describe_ring(keyspace) >> >> Then the program will start communicate with Cassandra through the >> private ips. One way is to translate the ips myself. >> >> >> On Tue, Jun 24, 2014 at 10:40 PM, Andrey Ilinykh <ailin...@gmail.com> >> wrote: >> >>> you can set rpc_address to 0.0.0.0, then it will listen on all >>> interfaces. Also you have to modify security group settings to allow >>> incoming connection for port 9160. But it is a really bad idea. By this >>> way you open your cluster to whole world, ssh tunnel is the best way. >>> >>> >>> On Tue, Jun 24, 2014 at 10:01 PM, Huiliang Zhang <zhl...@gmail.com> >>> wrote: >>> >>>> Thanks. Is there a way to configure Cassandra to use elastic ip instead >>>> of private ip? >>>> >>>> >>>> On Tue, Jun 24, 2014 at 9:29 PM, Andrey Ilinykh <ailin...@gmail.com> >>>> wrote: >>>> >>>>> Cassandra knows nothing about elastic ip. You have to use ssh tunnel >>>>> or run your client on ec2 instance. >>>>> >>>>> Thank you, >>>>> Andrey >>>>> >>>>> >>>>> On Tue, Jun 24, 2014 at 8:55 PM, Huiliang Zhang <zhl...@gmail.com> >>>>> wrote: >>>>> >>>>>> Hi, >>>>>> >>>>>> I am using Cassandra on EC2 instances. My cassandra always returns >>>>>> private ips of the instances to the thrift program. Then the program >>>>>> cannot >>>>>> connect to the private ips. >>>>>> >>>>>> I already changed the >>>>>> rpc_address: elastic ip >>>>>> rpc_address: elastic ip >>>>>> >>>>>> Then I restarted the cassandra cluster. But the system.peers still >>>>>> save the private ips as peer address. >>>>>> >>>>>> How to fix this? >>>>>> >>>>>> Thanks, >>>>>> Huiliang >>>>>> >>>>>> >>>>> >>>> >>> >> >
