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From Siddharth Karandikar <siddharth.karandi...@gmail.com>
Subject Re: Internode latency requirements
Date Tue, 14 Oct 2014 05:31:55 GMT
Thanks Alex for inputs. As you said, choosing right consistency levels
will be critical here.

On Mon, Oct 13, 2014 at 8:37 PM, Alex Major <al3xdm@gmail.com> wrote:
> 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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