Return-Path: X-Original-To: apmail-hive-dev-archive@www.apache.org Delivered-To: apmail-hive-dev-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id B16E911955 for ; Thu, 28 Aug 2014 23:55:09 +0000 (UTC) Received: (qmail 93397 invoked by uid 500); 28 Aug 2014 23:55:09 -0000 Delivered-To: apmail-hive-dev-archive@hive.apache.org Received: (qmail 93327 invoked by uid 500); 28 Aug 2014 23:55:09 -0000 Mailing-List: contact dev-help@hive.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@hive.apache.org Delivered-To: mailing list dev@hive.apache.org Received: (qmail 93195 invoked by uid 500); 28 Aug 2014 23:55:09 -0000 Delivered-To: apmail-hadoop-hive-dev@hadoop.apache.org Received: (qmail 93170 invoked by uid 99); 28 Aug 2014 23:55:09 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 28 Aug 2014 23:55:09 +0000 Date: Thu, 28 Aug 2014 23:55:08 +0000 (UTC) From: "Matt McCline (JIRA)" To: hive-dev@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: =?utf-8?Q?[jira]_[Updated]_(HIVE-7405)_Vectorize_GR?= =?utf-8?Q?OUP_BY_on_the_Reduce-Side_(Part_1_=E2=80=93_Basic)?= MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 [ https://issues.apache.org/jira/browse/HIVE-7405?page=3Dcom.atlassian= .jira.plugin.system.issuetabpanels:all-tabpanel ] Matt McCline updated HIVE-7405: ------------------------------- Attachment: HIVE-7405.93.patch > Vectorize GROUP BY on the Reduce-Side (Part 1 =E2=80=93 Basic) > ------------------------------------------------------ > > Key: HIVE-7405 > URL: https://issues.apache.org/jira/browse/HIVE-7405 > Project: Hive > Issue Type: Sub-task > Reporter: Matt McCline > Assignee: Matt McCline > Attachments: HIVE-7405.1.patch, HIVE-7405.2.patch, HIVE-7405.3.pa= tch, HIVE-7405.4.patch, HIVE-7405.5.patch, HIVE-7405.6.patch, HIVE-7405.7.p= atch, HIVE-7405.8.patch, HIVE-7405.9.patch, HIVE-7405.91.patch, HIVE-7405.9= 2.patch, HIVE-7405.93.patch > > > Vectorize the basic case that does not have any count distinct aggregatio= n. > Add a 4th processing mode in VectorGroupByOperator for reduce where each = input VectorizedRowBatch has only values for one key at a time. Thus, the = values in the batch can be aggregated quickly. -- This message was sent by Atlassian JIRA (v6.2#6252)