I think you are mistaken. It is true for the same zone. between zones 0.01/G
On Wed, Feb 12, 2014 at 12:17 PM, Russell Bradberry <rbradbe...@gmail.com>wrote: > Not when using private IP addresses. That pricing *ONLY *applies if you > are using the public interface or EIP/ENI. If you use the private IP > addresses there is no cost associated. > > > > On February 12, 2014 at 3:13:58 PM, William Oberman ( > ober...@civicscience.com <//ober...@civicscience.com>) wrote: > > Same region, cross zone transfer is $0.01 / GB (see > http://aws.amazon.com/ec2/pricing/, Data Transfer section). > > > On Wed, Feb 12, 2014 at 3:04 PM, Russell Bradberry > <rbradbe...@gmail.com>wrote: > >> Cross zone data transfer does not cost any extra money. >> >> LOCAL_QUORUM = QUORUM if all 6 servers are located in the same logical >> datacenter. >> >> Ensure your clients are connecting to either the local IP or the AWS >> hostname that is a CNAME to the local ip from within AWS. If you connect >> to the public IP you will get charged for outbound data transfer. >> >> >> >> On February 12, 2014 at 2:58:07 PM, Yogi Nerella >> (ynerella...@gmail.com<//ynerella...@gmail.com>) >> wrote: >> >> Also, may be you need to check the read consistency to local_quorum, >> otherwise the servers still try to read the data from all other data >> centers. >> >> I can understand the latency, but I cant understand how it would save >> money? The amount of data transferred from the AWS server to the client >> should be same no matter where the client is connected? >> >> >> >> On Wed, Feb 12, 2014 at 10:33 AM, Andrey Ilinykh <ailin...@gmail.com>wrote: >> >>> yes, sure. Taking data from the same zone will reduce latency and save >>> you some money. >>> >>> >>> On Wed, Feb 12, 2014 at 10:13 AM, Brian Tarbox <tar...@cabotresearch.com >>> > wrote: >>> >>>> We're running a C* cluster with 6 servers spread across the four >>>> us-east1 zones. >>>> >>>> We also spread our clients (hundreds of them) across the four zones. >>>> >>>> Currently we give our clients a connection string listing all six >>>> servers and let C* do its thing. >>>> >>>> This is all working just fine...and we're paying a fair bit in AWS >>>> transfer costs. There is a suspicion that this transfer cost is driven by >>>> us passing data around between our C* servers and clients. >>>> >>>> Would there be any value to trying to get a client to talk to one of >>>> the C* servers in its own zone? >>>> >>>> I understand (at least partially!) about coordinator nodes and >>>> replication and know that no matter which server is the coordinator for an >>>> operation replication may cause bits to get transferred to/from servers in >>>> other zones. Having said that...is there a chance that trying to encourage >>>> a client to initially contact a server in its own zone would help? >>>> >>>> Thank you, >>>> >>>> Brian Tarbox >>>> >>>> >>> >> > > > >