Return-Path: X-Original-To: apmail-cassandra-user-archive@www.apache.org Delivered-To: apmail-cassandra-user-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 914EB1096C for ; Thu, 27 Jun 2013 04:44:19 +0000 (UTC) Received: (qmail 98429 invoked by uid 500); 27 Jun 2013 04:44:17 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 98080 invoked by uid 500); 27 Jun 2013 04:44:15 -0000 Mailing-List: contact user-help@cassandra.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@cassandra.apache.org Delivered-To: mailing list user@cassandra.apache.org Received: (qmail 98067 invoked by uid 99); 27 Jun 2013 04:44:14 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 27 Jun 2013 04:44:14 +0000 X-ASF-Spam-Status: No, hits=2.2 required=5.0 tests=HTML_MESSAGE,RCVD_IN_DNSWL_NONE,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: local policy) Received: from [208.113.200.5] (HELO homiemail-a47.g.dreamhost.com) (208.113.200.5) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 27 Jun 2013 04:44:09 +0000 Received: from homiemail-a47.g.dreamhost.com (localhost [127.0.0.1]) by homiemail-a47.g.dreamhost.com (Postfix) with ESMTP id 2F69A28405C for ; Wed, 26 Jun 2013 21:43:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=thelastpickle.com; h=from :content-type:message-id:mime-version:subject:date:references:to :in-reply-to; s=thelastpickle.com; bh=0SrWaa+xYFr4hrOeXWZhjtTM/L c=; b=iDhsPIXGbuOKJRxlcPZVAos1IVEipWnNUbAqOGb/ebIBb5vC71LCbGENar WEktNSFDG3OT2Owr8JH6OhftEGGH4YJJxx28eNaMwh0oTCYd8j9p9wMrwTfwppar un9ItXg01HbwzDfAK505xofR5ibOQ0h/fVQRK0F2oOE00SqwY= Received: from [172.16.1.7] (unknown [203.86.207.101]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (No client certificate requested) (Authenticated sender: aaron@thelastpickle.com) by homiemail-a47.g.dreamhost.com (Postfix) with ESMTPSA id 89F0E284058 for ; Wed, 26 Jun 2013 21:43:48 -0700 (PDT) From: aaron morton Content-Type: multipart/alternative; boundary="Apple-Mail=_EE9E692F-B7C5-40EC-A081-5F35B19836D6" Message-Id: <9F4BA79B-683D-4445-A663-031ED172A0AB@thelastpickle.com> Mime-Version: 1.0 (Mac OS X Mail 6.5 \(1508\)) Subject: Re: NREL has released open source Databus on github for time series data Date: Thu, 27 Jun 2013 16:43:43 +1200 References: To: user@cassandra.apache.org In-Reply-To: X-Mailer: Apple Mail (2.1508) X-Virus-Checked: Checked by ClamAV on apache.org --Apple-Mail=_EE9E692F-B7C5-40EC-A081-5F35B19836D6 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=windows-1252 > When you say aggregates, do you mean converting 1 minute data to 15 = minute data=20 That one.=20 Essentially replicating a multi dimensional cube; a fact table with = dimensions and aggregates of the fact properties calculated for the = dimension values, including hierarchical dimensions such as time and = location.=20 I'll try to keep an eye on what your doing :) Cheers ----------------- Aaron Morton Freelance Cassandra Consultant New Zealand @aaronmorton http://www.thelastpickle.com On 26/06/2013, at 2:51 AM, "Hiller, Dean" wrote: > When you say aggregates, do you mean converting 1 minute data to 15 = minute data or do you mean summing different streams such that you have = the total energy from energy streams A, B, C, etc. >=20 > Ps. We are working on supporting both=85.there is a clusterable cron = job thing in place right now that does some aggregation already but = there is another in the works for moving higher rate data to lower = rates. >=20 > Dean >=20 > From: aaron morton = > > Reply-To: = "user@cassandra.apache.org" = > > Date: Monday, June 24, 2013 9:51 PM > To: "user@cassandra.apache.org" = > > Subject: Re: NREL has released open source Databus on github for time = series data >=20 > Hi Dean, > Does this handle rollup aggregates along with the time series data ? > I had a quick look at the links and could not see anything. >=20 > Cheers > Aaron >=20 > ----------------- > Aaron Morton > Freelance Cassandra Consultant > New Zealand >=20 > @aaronmorton > http://www.thelastpickle.com >=20 > On 22/06/2013, at 2:51 AM, "Hiller, Dean" = > wrote: >=20 > NREL has released their open source databus. They spin it as energy = data (and a system for campus energy/building energy) but it is very = general right now and probably will stay pretty general. More = information can be found here >=20 > http://www.nrel.gov/analysis/databus/ >=20 > The source code can be found here > https://github.com/deanhiller/databus >=20 > Star the project if you like the idea. NREL just did a big press = release and is developing a community around the project. It is in it's = early stages but there are users using it and I am helping HP set an = instance up this month. If you want to become a committer on the = project, let me know as well. >=20 > Later, > Dean >=20 >=20 --Apple-Mail=_EE9E692F-B7C5-40EC-A081-5F35B19836D6 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=windows-1252 When you say aggregates, do you mean = converting 1 minute data to 15 minute data That = one. 
Essentially replicating a multi dimensional cube; a fact = table with dimensions and aggregates of the fact properties calculated = for the dimension values, including hierarchical dimensions such as time = and location. 

I'll try to keep an eye on = what your doing :)

Cheers

http://www.thelastpickle.com

On 26/06/2013, at 2:51 AM, "Hiller, Dean" <Dean.Hiller@nrel.gov> = wrote:

When you say aggregates, do you mean converting 1 minute = data to 15 minute data or do you mean summing different streams such = that you have the total energy from energy streams A, B, C, = etc.

Ps. We are working on supporting both=85.there is a = clusterable cron job thing in place right now that does some aggregation = already but there is another in the works for moving higher rate data to = lower rates.

Dean

From: aaron morton <aaron@thelastpickle.com<mailto:aaron@thelastpickle.com= >>
Reply-To: "user@cassandra.apache.org<= ;mailto:user@cassandra.apache.org= >" <user@cassandra.apache.org<= ;mailto:user@cassandra.apache.org= >>
Date: Monday, June 24, 2013 9:51 PM
To: "user@cassandra.apache.org<= ;mailto:user@cassandra.apache.org= >" <user@cassandra.apache.org<= ;mailto:user@cassandra.apache.org= >>
Subject: Re: NREL has released open source Databus on = github for time series data

Hi Dean,
Does this handle rollup = aggregates along with the time series data ?
I had a quick look at = the links and could not see = anything.

Cheers
Aaron

-----------------
Aaron = Morton
Freelance Cassandra Consultant
New = Zealand

@aaronmorton
http://www.thelastpickle.com
=
On 22/06/2013, at 2:51 AM, "Hiller, Dean" = <Dean.Hiller@nrel.gov<mailto:Dean.Hiller@nrel.gov>> = wrote:

NREL has released their open source databus.  They = spin it as energy data (and a system for campus energy/building energy) = but it is very general right now and probably will stay pretty general. =  More information can be found = here

http://www.nrel.gov/analysis/databus/

The source code = can be found here
https://github.com/deanhiller/databus

Star = the project if you like the idea.  NREL just did a big press = release and is developing a community around the project.  It is in = it's early stages but there are users using it and I am helping HP set = an instance up this month.  If you want to become a committer on = the project, let me know as = well.

Later,
Dean



= --Apple-Mail=_EE9E692F-B7C5-40EC-A081-5F35B19836D6--