Re: Inter node communication over UDP

2011-05-20 Thread Sylvain Lebresne
On Fri, May 20, 2011 at 9:39 AM, pankajsoni0126 wrote: > 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 under

Re: Inter node communication over UDP

2011-05-20 Thread Jeffrey Kesselman
TCP/IP byte over-head v. UDP really isnt that much if your packets are of any significant size (its 30 bytes). And as others have pointed out you can easily get more over-head with worse results trying to reinvent reliable transport on top of UDP. Remember that TCP/IP has had 30 years of developme

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

Re: Inter node communication over UDP

2011-05-13 Thread Jonathan Ellis
UDP is a bad fit for Cassandra; you'd have to implement your own ordering and robustness on top of it. Better to just use TCP. On Fri, May 13, 2011 at 2:55 AM, pankajsoni0126 wrote: > we are deploying cassandra over a huge cluster size and we think that inter > node communication can become overl