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From David Hawthorne <>
Subject Re: RTG/MRTG/Cricket replacement using Cassandra?
Date Thu, 31 Mar 2011 23:14:46 GMT
I know cloudkick is doing something like this, and we're developing our own in-house method,
but it would be nice for there to be a generically-available package that would do this. 
Lately I've been wishing that someone would take graphite (written in python) and put the
frontend on top of cassandra instead of their proprietary whisper databases.  The counter
support in 0.8 should help with keeping the rollups up-to-date.

On Mar 31, 2011, at 3:56 PM, Aaron Turner wrote:

> I've been looking at replacing our PostgreSQL backend for RTG (a SNMP
> based polling and graphing solution for network traffic/ports) with
> something using Cassandra in order to solve our scalability and
> redundancy requirements.  Based on a lot of what I've read, Cassandra
> is an ideal data store for this  time series data.  In fact, Eric
> Evans in his presentation on the Cassandra home page suggests that
> this kind of use case is perfect for Cassandra.
> So this got me wondering if someone had already come up with a CF
> model for this kind of data, including daily/weekly/monthly/yearly
> rollups.  Perhaps there's even an open source project or two
> implementing this sorta thing?  I've found flewton
> (, which is possibly relevant, but
> my Java skills are pretty non-existent so I'm having a hard time
> figuring it out.
> Thanks,
> Aaron
> -- 
> Aaron Turner
>         Twitter: @synfinatic
> - Pcap editing and replay tools for Unix & Windows
> Those who would give up essential Liberty, to purchase a little temporary
> Safety, deserve neither Liberty nor Safety.
>     -- Benjamin Franklin
> "carpe diem quam minimum credula postero"

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