Re: High bandwidth usage between datacenters for cluster

2012-11-01 Thread B. Todd Burruss
; On 28/10/2012, at 12:18 PM, Bryce Godfrey wrote: > > Network topology with the topology file filled out is already the > configuration we are using. > > From: sankalp kohli [mailto:kohlisank...@gmail.com] > Sent: Thursday, October 25, 2012 11:55 AM > To: user@cassandra.apa

Re: High bandwidth usage between datacenters for cluster

2012-10-29 Thread aaron morton
tober 25, 2012 11:55 AM > To: user@cassandra.apache.org > Subject: Re: High bandwidth usage between datacenters for cluster > > Use placement_strategy = > 'org.apache.cassandra.locator.NetworkTopologyStrategy' and also fill the > topology.properties file. This will tell cassand

RE: High bandwidth usage between datacenters for cluster

2012-10-27 Thread Bryce Godfrey
Network topology with the topology file filled out is already the configuration we are using. From: sankalp kohli [mailto:kohlisank...@gmail.com] Sent: Thursday, October 25, 2012 11:55 AM To: user@cassandra.apache.org Subject: Re: High bandwidth usage between datacenters for cluster Use

Re: High bandwidth usage between datacenters for cluster

2012-10-25 Thread sankalp kohli
Use placement_strategy = 'org.apache.cassandra.locator.NetworkTopologyStrategy' and also fill the topology.properties file. This will tell cassandra that you have two DCs. You can verify that by looking at output of the ring command. If you DCs are setup properly, only one request will go over WAN

Re: High bandwidth usage between datacenters for cluster

2012-10-25 Thread Hiller, Dean
ndra.apache.org>> Date: Thursday, October 25, 2012 11:44 AM To: "user@cassandra.apache.org<mailto:user@cassandra.apache.org>" mailto:user@cassandra.apache.org>> Subject: High bandwidth usage between datacenters for cluster We have a 5 node cluster, with a matchin

High bandwidth usage between datacenters for cluster

2012-10-25 Thread Bryce Godfrey
We have a 5 node cluster, with a matching 5 nodes for DR in another data center. With a replication factor of 3, does the node I send a write too attempt to send it to the 3 servers in the DR also? Or does it send it to 1 and let it replicate locally in the DR environment to save bandwidth ac