Return-Path: X-Original-To: apmail-hive-user-archive@www.apache.org Delivered-To: apmail-hive-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 B9D4690E7 for ; Wed, 23 May 2012 00:43:36 +0000 (UTC) Received: (qmail 26212 invoked by uid 500); 23 May 2012 00:43:35 -0000 Delivered-To: apmail-hive-user-archive@hive.apache.org Received: (qmail 26156 invoked by uid 500); 23 May 2012 00:43:35 -0000 Mailing-List: contact user-help@hive.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@hive.apache.org Delivered-To: mailing list user@hive.apache.org Received: (qmail 26147 invoked by uid 99); 23 May 2012 00:43:35 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 23 May 2012 00:43:35 +0000 X-ASF-Spam-Status: No, hits=-0.1 required=5.0 tests=HTML_MESSAGE,RCVD_IN_DNSWL_MED,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of prvs=04906c8d1c=ranjith.raghunath1@usaa.com designates 167.24.25.92 as permitted sender) Received: from [167.24.25.92] (HELO prodomx02.usaa.com) (167.24.25.92) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 23 May 2012 00:43:29 +0000 Received: from pps.filterd (prodomx02 [127.0.0.1]) by prodomx02.usaa.com (8.14.4/8.14.4) with SMTP id q4N0ZbI4026722 for ; Tue, 22 May 2012 19:43:08 -0500 Received: from prodexch04w.eagle.usaa.com (prodexch04w.usaa.com [10.170.40.30]) by prodomx02.usaa.com with ESMTP id 150kh1g9ag-1 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=NOT) for ; Tue, 22 May 2012 19:43:08 -0500 Received: from PRODEXMB04W.eagle.usaa.com ([169.254.5.139]) by PRODEXCH04W.eagle.usaa.com ([10.170.40.30]) with mapi id 14.01.0289.001; Tue, 22 May 2012 19:43:07 -0500 From: "Raghunath, Ranjith" To: "user@hive.apache.org" Subject: Map side aggregations Thread-Topic: Map side aggregations Thread-Index: Ac04fQrrbJGPCF7PT9WsnMIB8jwBEA== Date: Wed, 23 May 2012 00:43:07 +0000 Message-ID: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.123.46.118] Content-Type: multipart/alternative; boundary="_000_D67BECDE6F3D764AB087905A7E421B4F47CBDEE9PRODEXMB04Weagl_" MIME-Version: 1.0 X-Proofpoint-Direction: FromExch X-Proofpoint-Direction: Internet X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:5.6.7580,1.0.260,0.0.0000 definitions=2012-05-22_07:2012-05-21,2012-05-22,1970-01-01 signatures=0 X-Virus-Checked: Checked by ClamAV on apache.org --_000_D67BECDE6F3D764AB087905A7E421B4F47CBDEE9PRODEXMB04Weagl_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable I have the parameter hive.map.aggr set to true. However, when I look at the= counters associated with the map tasks I notice the following "Combine inp= ut records 0". I am interpreting this as a failure to perform the map side = aggregation. Is that accurate? Is this option not working in hive 0.7.1? Thanks, Ranjith --_000_D67BECDE6F3D764AB087905A7E421B4F47CBDEE9PRODEXMB04Weagl_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable
I have the parameter h= ive.map.aggr set to true. However, when I lo= ok at the counters associated with the map tasks I notice the following = 220;Combine input records 0”. I am interpreting this as a failure to perform the map side aggregation. Is that accurate? Is= this option not working in hive 0.7.1?
&nbs= p;
Thanks,
Ranjith
&nbs= p;
&nbs= p;
&nbs= p;
 --_000_D67BECDE6F3D764AB087905A7E421B4F47CBDEE9PRODEXMB04Weagl_--