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From Paul Choi <>
Subject Re: RTG/MRTG/Cricket replacement using Cassandra?
Date Thu, 31 Mar 2011 23:25:37 GMT
Just finished looking at the slides. It looks awesome!

On 3/31/11 4:19 PM, "Ryan King" <> wrote:

>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 <>
>> 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 &
>> Those who would give up essential Liberty, to purchase a little
>> Safety, deserve neither Liberty nor Safety.
>>     -- Benjamin Franklin
>> "carpe diem quam minimum credula postero"

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