Return-Path: Delivered-To: apmail-hadoop-general-archive@minotaur.apache.org Received: (qmail 38358 invoked from network); 31 Mar 2009 14:31:52 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 31 Mar 2009 14:31:52 -0000 Received: (qmail 76115 invoked by uid 500); 31 Mar 2009 14:31:52 -0000 Delivered-To: apmail-hadoop-general-archive@hadoop.apache.org Received: (qmail 76066 invoked by uid 500); 31 Mar 2009 14:31:52 -0000 Mailing-List: contact general-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: general@hadoop.apache.org Delivered-To: mailing list general@hadoop.apache.org Delivered-To: moderator for general@hadoop.apache.org Received: (qmail 99372 invoked by uid 99); 31 Mar 2009 03:50:04 -0000 X-ASF-Spam-Status: No, hits=2.2 required=10.0 tests=HTML_MESSAGE,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of amaltasb@gmail.com designates 209.85.218.176 as permitted sender) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:date:message-id:subject :from:to:content-type; bh=j+b46bmN9eLRGGVB6+jya+/tQ7W/htfHvYc2AihQW+8=; b=Ou18G5ZbQ8TD5mQMNPsTXIMZ0OAGCZ7xWBWyqSMsR5dRI9UCaWncWiKdWAlv4niwZo b7KB3HPnhr7YVrYMeRHAC5GKkhGRheXyef/19MwIPSfM3fg2z/2PHJkTjx2vjsdviZW9 105J3iDxftlrcXyR9UcaQphSTvgAP2AgSofVo= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:content-type; b=PZwyR3tyBEc0BMsbZhR9DYziFSyjh/kVRQdSTVQ655JxgNM4FAGj5PbOwnVT0TvEy+ OV7dFLSKEzfzDWD2dxqSQ9dg7PHH2ntrGTZxGhtQeicCoVKmLhOA/ta23wsqalVYB1y/ L4eHbuTQ28Nj90DZHEiob2fYypEO+LywbY8bo= MIME-Version: 1.0 Date: Tue, 31 Mar 2009 09:19:36 +0530 Message-ID: <1a2551840903302049u28744c78t2c94ef8d29c8562b@mail.gmail.com> Subject: Berkeley DB as Hadoop Input From: Amal To: general@hadoop.apache.org Content-Type: multipart/alternative; boundary=00504502de86763f54046662167f X-Virus-Checked: Checked by ClamAV on apache.org --00504502de86763f54046662167f Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit I have around 3 million rows of data stored in Berkeley DB Java Edition. Is it possible to use this database as a MapReduce Input to Hadoop. If not, what is the alternative storage engine, mainly for storing key/value pairs (no relational features or transactional support needed), so that I can run mapreduce on it. Thanks --00504502de86763f54046662167f--