Return-Path: Delivered-To: apmail-cassandra-user-archive@www.apache.org Received: (qmail 61838 invoked from network); 7 Apr 2010 21:50:48 -0000 Received: from unknown (HELO mail.apache.org) (140.211.11.3) by 140.211.11.9 with SMTP; 7 Apr 2010 21:50:48 -0000 Received: (qmail 35930 invoked by uid 500); 7 Apr 2010 21:50:48 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 35904 invoked by uid 500); 7 Apr 2010 21:50:48 -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 35896 invoked by uid 99); 7 Apr 2010 21:50:48 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 07 Apr 2010 21:50:48 +0000 X-ASF-Spam-Status: No, hits=0.0 required=10.0 tests=FREEMAIL_FROM,RCVD_IN_DNSWL_NONE,SPF_PASS,T_TO_NO_BRKTS_FREEMAIL X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of jbellis@gmail.com designates 209.85.218.222 as permitted sender) Received: from [209.85.218.222] (HELO mail-bw0-f222.google.com) (209.85.218.222) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 07 Apr 2010 21:50:40 +0000 Received: by bwz22 with SMTP id 22so1356635bwz.25 for ; Wed, 07 Apr 2010 14:50:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :from:date:received:message-id:subject:to:content-type; bh=bV7b3TGZXZ1lBEe/EE9d/WjlWzGFNaOtVqwfHY00/aU=; b=Bdt64eF5D55C9hm8pNY4eJCe9psj9xQj7kyHZi5XRRo5cOObsgXYAA1qDnA2lstkZI VEFmNNcg1kAkKWdRiLuubv9glO3/89/T0Ji7/B7n8S18N9dX0IyLZoBS/2EFbHyLCYk4 GRKSZreQn8jXANFvhowA6PBUCWl1+tSuOCbxE= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :content-type; b=PnE21NjWazmB1k/EpsdAMbZRDv2G0N8fnb0svnsRvVdQRkJerrSOIZ8KjAl8J8GXZ2 /UZvaHGTsHOKniiA7S5z9nW0sPl4E4RiA5y/pb589myer/LukDTNjYMSvFyIbx/HnHqn x+mBZ0b3QyJQG0eWUzfV3llmUMyA988ClDmtY= MIME-Version: 1.0 Received: by 10.204.104.1 with HTTP; Wed, 7 Apr 2010 14:49:58 -0700 (PDT) In-Reply-To: References: From: Jonathan Ellis Date: Wed, 7 Apr 2010 16:49:58 -0500 Received: by 10.204.82.227 with SMTP id c35mr9874817bkl.174.1270677018333; Wed, 07 Apr 2010 14:50:18 -0700 (PDT) Message-ID: Subject: Re: Iterate through entire data set To: user@cassandra.apache.org Content-Type: text/plain; charset=ISO-8859-1 X-Virus-Checked: Checked by ClamAV on apache.org Look at the READMEs for contrib/word_count and contrib/pig. On Wed, Apr 7, 2010 at 4:47 PM, Sonny Heer wrote: > I need a way to process all of my data set. > > A way to process every keyspace, CF, row, column, and perform some > operation based on that mapped combination. > > The map bucket would collect down to column name. > > Is there a map/reduce program which shows how to go about doing this? >