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From Alex Major <al3...@gmail.com>
Subject Re: Internode latency requirements
Date Mon, 13 Oct 2014 15:07:33 GMT
Just make sure you understand the effect of consistency levels on your
performance. You (probably) don't want to be going over the WAN for reads
etc.

We run across the US/EU AWS regions and don't have any problems with higher
RTT.

On Mon, Oct 13, 2014 at 2:51 AM, Siddharth Karandikar <
siddharth.karandikar@gmail.com> wrote:

> Thanks for confirmation.
>
> Anyone has any other important points that need to keep in mind for such
> distributed-distributed deployments?
> On 10 Oct 2014 23:13, "Robert Coli" <rcoli@eventbrite.com> wrote:
>
>> On Fri, Oct 10, 2014 at 1:56 AM, Siddharth Karandikar <
>> siddharth.karandikar@gmail.com> wrote:
>>
>>> Lets say I want to deploy ~200 cassandra nodes and each of them
>>> running at different geographic location. Distance between any 2 nodes
>>> will range from 5ms to 40ms in terms of RTT. I plan to configure nodes
>>> close to each other in one datacenter. And such multiple datacenters
>>> will be connected to each other.
>>>
>>
>> That's fine?
>>
>> People run multi-DC over much slower WAN links than that.
>>
>> =Rob
>> http://twitter.com/rcolidba
>>
>

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