Return-Path: Delivered-To: apmail-hadoop-common-user-archive@www.apache.org Received: (qmail 46229 invoked from network); 2 Nov 2009 15:24:27 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 2 Nov 2009 15:24:27 -0000 Received: (qmail 38897 invoked by uid 500); 2 Nov 2009 15:24:25 -0000 Delivered-To: apmail-hadoop-common-user-archive@hadoop.apache.org Received: (qmail 38825 invoked by uid 500); 2 Nov 2009 15:24:24 -0000 Mailing-List: contact common-user-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: common-user@hadoop.apache.org Delivered-To: mailing list common-user@hadoop.apache.org Received: (qmail 38815 invoked by uid 99); 2 Nov 2009 15:24:24 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 02 Nov 2009 15:24:24 +0000 X-ASF-Spam-Status: No, hits=-2.6 required=5.0 tests=AWL,BAYES_00,HTML_MESSAGE X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: local policy) Received: from [206.16.240.102] (HELO mx2.riskmetrics.com) (206.16.240.102) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 02 Nov 2009 15:24:21 +0000 From: Mark Vigeant To: "common-user@hadoop.apache.org" Date: Mon, 2 Nov 2009 10:23:58 -0500 Subject: Multiple Input Paths Thread-Topic: Multiple Input Paths Thread-Index: Acpb0H99sXPlmEJYSdWOW8dXTgPIAg== Message-ID: <5D66A842901F8E41815AF6D27A28EC490A8527F4B9@Mail-Ab02.rmg-ny.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US Content-Type: multipart/alternative; boundary="_000_5D66A842901F8E41815AF6D27A28EC490A8527F4B9MailAb02rmgny_" MIME-Version: 1.0 --_000_5D66A842901F8E41815AF6D27A28EC490A8527F4B9MailAb02rmgny_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hey, quick question: I'm writing a program that parses data from 2 different files and puts the = data into a table. Currently I have 2 different map functions and so I subm= it 2 separate jobs to the job client. Would it be more efficient to add bot= h paths to the same mapper and only submit one job? Thanks a lot! Mark Vigeant RiskMetrics Group, Inc. --_000_5D66A842901F8E41815AF6D27A28EC490A8527F4B9MailAb02rmgny_--