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From Ryan King <>
Subject Re: RTG/MRTG/Cricket replacement using Cassandra?
Date Thu, 31 Mar 2011 23:19:20 GMT
We have a solution for time series data on cassandra at Twitter that
we'd like to open source, but it requires 0.8/trunk so we're not going
to release it until that's stable.



On Thu, 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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