Return-Path: X-Original-To: apmail-giraph-user-archive@www.apache.org Delivered-To: apmail-giraph-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 A97E1105DE for ; Mon, 15 Jul 2013 16:54:58 +0000 (UTC) Received: (qmail 57417 invoked by uid 500); 15 Jul 2013 16:54:58 -0000 Delivered-To: apmail-giraph-user-archive@giraph.apache.org Received: (qmail 57321 invoked by uid 500); 15 Jul 2013 16:54:58 -0000 Mailing-List: contact user-help@giraph.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@giraph.apache.org Delivered-To: mailing list user@giraph.apache.org Received: (qmail 57307 invoked by uid 99); 15 Jul 2013 16:54:57 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 15 Jul 2013 16:54:57 +0000 X-ASF-Spam-Status: No, hits=1.5 required=5.0 tests=HTML_MESSAGE,RCVD_IN_DNSWL_LOW,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of thnyanmthnyan@gmail.com designates 209.85.223.195 as permitted sender) Received: from [209.85.223.195] (HELO mail-ie0-f195.google.com) (209.85.223.195) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 15 Jul 2013 16:54:51 +0000 Received: by mail-ie0-f195.google.com with SMTP id c10so4993446ieb.6 for ; Mon, 15 Jul 2013 09:54:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:content-type; bh=nrB3/MKy6Or+h5d2bb0kK9+pp7WWgUDCUucH9bFl6aU=; b=pnwUmaQGBPqjPnkdKAk4ufhjni8HuyOPE7ftWCkN9CGWpP4Qk/dwcJgoLcbVs19IGL dHJ0oQsivNZoMwf/WJvJ3fU6W/uhU1XOC08hRgKK8pzZg3pLTddGkqKWzsu2OratLmFN Hp1LTGnwZLPAopmPMtmR8JaTsHtLtm3ZXWmybEPkvv3S5C1eybY67uHc1Syg26/NMFz/ wIi7NBfM9U4cpxfiIyiLsI87LGbFbDuqJZYPb+DOYDeFmLiyuk9pXOdSyC7kCpyvGtqD 8uF8eheBAufCMtQB4tDZKPOihEQm+gs9T6tH6r9gQFPMGDb7kqO5LQtRGZQxvsi8luqS RW3A== MIME-Version: 1.0 X-Received: by 10.43.84.131 with SMTP id ak3mr17829177icc.84.1373907270310; Mon, 15 Jul 2013 09:54:30 -0700 (PDT) Received: by 10.64.128.234 with HTTP; Mon, 15 Jul 2013 09:54:30 -0700 (PDT) Date: Mon, 15 Jul 2013 09:54:30 -0700 Message-ID: Subject: Multiple Data Sources From: Tom M To: user@giraph.apache.org Content-Type: multipart/alternative; boundary=bcaec5182518cd26b004e18fb68e X-Virus-Checked: Checked by ClamAV on apache.org --bcaec5182518cd26b004e18fb68e Content-Type: text/plain; charset=ISO-8859-1 Hi, I am a new to Giraph. I am working on implementing a graph algorithm that first reads vertex values from multiple sources (HDFS, MySQL). So basically, I would have two types of vertices, values of each vertex type can be read from a different data source. I know that, in MR, we can use DBInputFormat to retrieve tuples from RDBMS for example, and then join them with data read from HDFS. My question, can we do that in Giraph? i.e. can the graph be constructed from different data sources? Thanks a lot in advance. Best, Tom --bcaec5182518cd26b004e18fb68e Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable

Hi,

=A0

=A0=A0=A0 I am a new to Giraph. I am working on implementing a graph algorithm that first reads ver= tex values from multiple sources (HDFS, MySQL). So basically, I would have two types of vertices, values of each vertex type can be read from a different = data source. I know that, in MR, we can use DBInputFormat to retrieve tuples fro= m RDBMS for example, and then join them with data read from HDFS. My question= , can we do that in Giraph? i.e. can the graph be constructed from different = data sources? Thanks a lot in advance.

=A0

Best,

Tom

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