Return-Path: X-Original-To: archive-asf-public-internal@cust-asf2.ponee.io Delivered-To: archive-asf-public-internal@cust-asf2.ponee.io Received: from cust-asf.ponee.io (cust-asf.ponee.io [163.172.22.183]) by cust-asf2.ponee.io (Postfix) with ESMTP id 26517200B2D for ; Thu, 16 Jun 2016 16:15:07 +0200 (CEST) Received: by cust-asf.ponee.io (Postfix) id 24CFF160A61; Thu, 16 Jun 2016 14:15:07 +0000 (UTC) Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by cust-asf.ponee.io (Postfix) with SMTP id 9B0351602C5 for ; Thu, 16 Jun 2016 16:15:06 +0200 (CEST) Received: (qmail 31889 invoked by uid 500); 16 Jun 2016 14:15:05 -0000 Mailing-List: contact issues-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 issues@hive.apache.org Received: (qmail 31874 invoked by uid 99); 16 Jun 2016 14:15:05 -0000 Received: from arcas.apache.org (HELO arcas) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 16 Jun 2016 14:15:05 +0000 Received: from arcas.apache.org (localhost [127.0.0.1]) by arcas (Postfix) with ESMTP id 8CB332C1F5C for ; Thu, 16 Jun 2016 14:15:05 +0000 (UTC) Date: Thu, 16 Jun 2016 14:15:05 +0000 (UTC) From: "Jesus Camacho Rodriguez (JIRA)" To: issues@hive.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (HIVE-14002) Extend limit propagation to subsequent RS operators MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 archived-at: Thu, 16 Jun 2016 14:15:07 -0000 [ https://issues.apache.org/jira/browse/HIVE-14002?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15333863#comment-15333863 ] Jesus Camacho Rodriguez commented on HIVE-14002: ------------------------------------------------ Reopening issue, as QA results seemed to be incorrect. > Extend limit propagation to subsequent RS operators > --------------------------------------------------- > > Key: HIVE-14002 > URL: https://issues.apache.org/jira/browse/HIVE-14002 > Project: Hive > Issue Type: Improvement > Components: Physical Optimizer > Affects Versions: 2.1.0 > Reporter: Nita Dembla > Assignee: Jesus Camacho Rodriguez > Attachments: HIVE-14002.01.patch, HIVE-14002.patch > > > In some occasions, for instance when RS dedup does not kick in, it is useful to propagate the limit to subsequent RS operators, as this will reduce intermediary results and impact performance. This issue covers that extension. -- This message was sent by Atlassian JIRA (v6.3.4#6332)