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From: Jonathan Ellis <jbellis@gmail.com>
Date: Wed, 20 Jul 2011 07:07:44 -0500
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 <CALdd-zhVkdMfsWUSwQ5Vz6b6vFcDK22xn3xcMZjp1mtrX2FH-A@mail.gmail.com>
Subject: Re: network bandwidth question
To: user@cassandra.apache.org
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You can assume that's negligible compared to the data traffic.

On Wed, Jul 20, 2011 at 7:02 AM, Arijit Mukherjee <arijit72@gmail.com> wrote:
> Hi All
>
> We're trying to set up a Cassandra cluster (initially with 3 nodes). Each
> node will generate data @ 32MB per second. What would be the likely network
> usage for this (say with a replication factor of 3)?
>
> I mean, if I use simple arithmetic, I can say 32MBps per node, and hence
> 96MBps in total as network traffic - but should I consider any other factors
> (like handshaking or keep-alive packets)?
>
> Regards
> Arijit
>
> --
> "And when the night is cloudy,
> There is still a light that shines on me,
> Shine on until tomorrow, let it be."
>


-- 
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of DataStax, the source for professional Cassandra support
http://www.datastax.com