Cassandra Multi DC with diff version.

2016-11-27 Thread Abhishek Kumar Maheshwari
Hi All, We have 2 Cassandra DC with below config: DC1: In DC1 we have 9 Servers with 64 GB ram 40 Core machines. In this DC we have Cassandra version: 2.1.4. And We have 2 TB data on each server. Application is connected with DC. DC2: In DC2 we have 5 Servers with 64 GB ram 40 Core machines.

Re: Cassandra Multi DC (Active-Active) Setup - Measuring latency & throughput performance

2016-02-27 Thread chandrasekar.krc
centers. Thanks & Regards, Chandra Sekar KR From: Bryan Cheng <br...@blockcypher.com> Sent: Saturday, February 27, 2016 05:01 To: user@cassandra.apache.org Subject: Re: Cassandra Multi DC (Active-Active) Setup - Measuring latency & throughput performan

Re: Cassandra Multi DC (Active-Active) Setup - Measuring latency & throughput performance

2016-02-26 Thread Bryan Cheng
?) and read/write patterns. What other data are you looking to gather? On Fri, Feb 26, 2016 at 5:53 AM, <chandrasekar@wipro.com> wrote: > Hi, > > > Are there any links/resources which describe performance measurement > (latency & throughput) for a Cassandra Multi DC A

Cassandra Multi DC (Active-Active) Setup - Measuring latency & throughput performance

2016-02-26 Thread chandrasekar.krc
Hi, Are there any links/resources which describe performance measurement (latency & throughput) for a Cassandra Multi DC Active-Active setup across a WAN network (20Gbps bandwidth) with 5 nodes in each DC. Basically, I would like to know how to measure latency of writes when

Cassandra multi DC

2012-03-29 Thread Alexandru Sicoe
Hello everyone, How are people running multi DC Cassandra across remote locations? Are VPNs used? Or some dedicated application proxis? What is the norm here? Any advice is much appreciated, Alex

Re: Cassandra multi DC

2012-03-29 Thread David Schairer
We built multi-DC right from the start -- two equal locations about 1000 miles apart but on the same provider backbone so there was reasonably robust and consistent connectivity between them. We did this using software ipsec to set up tunnels between the private networks in each location, but

Re: Cassandra multi DC

2012-03-29 Thread Eric Tamme
On 03/29/2012 01:35 PM, Alexandru Sicoe wrote: Hello everyone, How are people running multi DC Cassandra across remote locations? Are VPNs used? Or some dedicated application proxis? What is the norm here? Any advice is much appreciated, Alex No vpn for us. We do it all over pure ipv6