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 AB03C17648 for ; Thu, 12 Feb 2015 03:00:17 +0000 (UTC) Received: (qmail 90594 invoked by uid 500); 12 Feb 2015 03:00:16 -0000 Delivered-To: apmail-hive-dev-archive@hive.apache.org Received: (qmail 90399 invoked by uid 500); 12 Feb 2015 03:00:16 -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 90142 invoked by uid 500); 12 Feb 2015 03:00:16 -0000 Delivered-To: apmail-hadoop-hive-dev@hadoop.apache.org Received: (qmail 90138 invoked by uid 99); 12 Feb 2015 03:00:16 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 12 Feb 2015 03:00:16 +0000 Date: Thu, 12 Feb 2015 03:00:16 +0000 (UTC) From: "Laljo John Pullokkaran (JIRA)" To: hive-dev@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Updated] (HIVE-9663) GroupBy Optimization MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 [ https://issues.apache.org/jira/browse/HIVE-9663?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Laljo John Pullokkaran updated HIVE-9663: ----------------------------------------- Status: Patch Available (was: Open) > GroupBy Optimization > -------------------- > > Key: HIVE-9663 > URL: https://issues.apache.org/jira/browse/HIVE-9663 > Project: Hive > Issue Type: Bug > Reporter: Laljo John Pullokkaran > Assignee: Laljo John Pullokkaran > Attachments: HIVE-9663.patch > > > It seems like GB op for every tuple while handling grouping sets performs unnecessary computations. -- This message was sent by Atlassian JIRA (v6.3.4#6332)