Ec2 snitch with network topology strategy

2011-06-29 Thread pankajsoni0126
I was thinking of leveraging ec2 snitch. But my question is then how do I give replica placement options? Or can I give snitch as ec2snitch and write the nodes cassandra-topology.prop and in give locator strategy at time of creating keyspace as network topology strategy. But will it work? And th

Re: advice for EC2 deployment

2011-06-23 Thread pankajsoni0126
No, the nodes in the separate DC's are able to discover each other. But across the Dc's its not happening. I have double checked the config parameters, both require in amazon settings and cassandra.yaml before posting query here. has anybody got there nodes talking to each other across regions b

Re: Inter node communication over UDP

2011-05-20 Thread pankajsoni0126
I am working on version 0.7.6 of cassandra. I have been looking into the code to identify communication between nodes. it seems to me that both inter-node and servernode-client communication happens using thrift protocol, is my understanding correct? and the gossiper communication takes place us

Inter node communication over UDP

2011-05-13 Thread pankajsoni0126
we are deploying cassandra over a huge cluster size and we think that inter node communication can become overload on nodes as the protocol used is TCP. Similarly gossip was earlier using udp but has been changed to use Tcp. Is there added advantage for using tcp over udp in cassandra both in gos

Re: advice for EC2 deployment

2011-04-27 Thread pankajsoni0126
I have been trying to deploy Cassandra cluster across regions and for that I posted this "IP address resolution in MultiDC setup". But when it is to get nodes talking to each other on different regions say, us-east and us-west over private IP's of EC2 nodes I am facing problems. I am assuming if

Re: advice for EC2 deployment

2011-04-27 Thread pankajsoni0126
I have been trying to deploy Cassandra cluster across regions and for that I posted this "IP address resolution in MultiDC setup". But when it is to get nodes talking to each other on different regions say, us-east and us-west over private IP's of EC2 nodes I am facing problems. I am assuming if