Return-Path: Delivered-To: apmail-cassandra-user-archive@www.apache.org Received: (qmail 56133 invoked from network); 29 Apr 2010 21:32:51 -0000 Received: from unknown (HELO mail.apache.org) (140.211.11.3) by 140.211.11.9 with SMTP; 29 Apr 2010 21:32:51 -0000 Received: (qmail 84589 invoked by uid 500); 29 Apr 2010 21:32:50 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 84566 invoked by uid 500); 29 Apr 2010 21:32:50 -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 84558 invoked by uid 99); 29 Apr 2010 21:32:50 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 29 Apr 2010 21:32:50 +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 74.125.82.44 as permitted sender) Received: from [74.125.82.44] (HELO mail-ww0-f44.google.com) (74.125.82.44) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 29 Apr 2010 21:32:44 +0000 Received: by wwb24 with SMTP id 24so304531wwb.31 for ; Thu, 29 Apr 2010 14:32:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:mime-version:received:in-reply-to :references:from:date:message-id:subject:to:content-type :content-transfer-encoding; bh=eFZUeX/AJxwz6WiucXrCwiNl4865lT+IHLpeG/3ifrQ=; b=Lkq4M1x8S7B9KVQ4wKmK0VWTLpLNKqRCSGiZ5c3jHqNyDIXPm0eXztUy/hfU7Tn7qo IPNmGIz/c6KoGJhwHDGpBS8gLXJqL2saVCg02L1xlSG4Do61rQwi0P0t6VVIFiteCi+5 yO3khon8IQ2XpvqG6EMvtsIH9CSZDzik/Vw9s= 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:content-transfer-encoding; b=ebDpV8aAOiiP6eR1GEz6OS6M5w8ECxY2wpV75wxEL0mj/KCjllnHgePG8zo2jWVAMk 9aupHHYQELScEw0cpBUcleUuX28J3Dv0ECCoJ9IycXXHdYibJqc9QQ3dxo4jQlTt2nm2 3iMoyp1Fh2LKHN7t7uIBRvREVtymZ9kp4nxN0= Received: by 10.216.86.129 with SMTP id w1mr1078641wee.174.1272576741451; Thu, 29 Apr 2010 14:32:21 -0700 (PDT) MIME-Version: 1.0 Received: by 10.216.22.10 with HTTP; Thu, 29 Apr 2010 14:32:01 -0700 (PDT) In-Reply-To: References: From: Jonathan Ellis Date: Thu, 29 Apr 2010 16:32:01 -0500 Message-ID: Subject: Re: ColumnFamilyInputFormat KeyRange scans on a CF To: user@cassandra.apache.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-Virus-Checked: Checked by ClamAV on apache.org It's technically possible but 0.6 does not support this, no. What is the use case you are thinking of? On Thu, Apr 29, 2010 at 11:14 AM, Utku Can Top=E7u wrot= e: > Hi, > > I've been trying to use Cassandra for some kind of a supplementary input > source for Hadoop MapReduce jobs. > > The default usage of the ColumnFamilyInputFormat does a full columnfamily > scan for using within the MapReduce framework as map input. > > However I believe that, it should be possible to give a keyrange to scan = the > specified range. > > Is it anymeans possible? > > Best Regards, > > Utku --=20 Jonathan Ellis Project Chair, Apache Cassandra co-founder of Riptano, the source for professional Cassandra support http://riptano.com