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 C0AEF200BF3 for ; Thu, 22 Dec 2016 00:17:00 +0100 (CET) Received: by cust-asf.ponee.io (Postfix) id BF52C160B39; Wed, 21 Dec 2016 23:17:00 +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 14172160B26 for ; Thu, 22 Dec 2016 00:16:59 +0100 (CET) Received: (qmail 22177 invoked by uid 500); 21 Dec 2016 23:16:58 -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 22065 invoked by uid 99); 21 Dec 2016 23:16:58 -0000 Received: from arcas.apache.org (HELO arcas) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 21 Dec 2016 23:16:58 +0000 Received: from arcas.apache.org (localhost [127.0.0.1]) by arcas (Postfix) with ESMTP id 916572C2AB7 for ; Wed, 21 Dec 2016 23:16:58 +0000 (UTC) Date: Wed, 21 Dec 2016 23:16:58 +0000 (UTC) From: "Chao Sun (JIRA)" To: issues@hive.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Updated] (HIVE-15489) Alternatively use table scan stats for HoS MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 archived-at: Wed, 21 Dec 2016 23:17:00 -0000 [ https://issues.apache.org/jira/browse/HIVE-15489?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Chao Sun updated HIVE-15489: ---------------------------- Status: Patch Available (was: Open) > Alternatively use table scan stats for HoS > ------------------------------------------ > > Key: HIVE-15489 > URL: https://issues.apache.org/jira/browse/HIVE-15489 > Project: Hive > Issue Type: Improvement > Components: Spark, Statistics > Affects Versions: 2.2.0 > Reporter: Chao Sun > Assignee: Chao Sun > Attachments: HIVE-15489.wip.patch > > > For MapJoin in HoS, we should provide an option to only use stats in the TS rather than the populated stats in each of the join branch. This could be pretty conservative but more reliable. -- This message was sent by Atlassian JIRA (v6.3.4#6332)