Return-Path: X-Original-To: apmail-drill-issues-archive@minotaur.apache.org Delivered-To: apmail-drill-issues-archive@minotaur.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 3396918B95 for ; Thu, 4 Feb 2016 00:48:40 +0000 (UTC) Received: (qmail 93368 invoked by uid 500); 4 Feb 2016 00:48:40 -0000 Delivered-To: apmail-drill-issues-archive@drill.apache.org Received: (qmail 93101 invoked by uid 500); 4 Feb 2016 00:48:40 -0000 Mailing-List: contact issues-help@drill.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@drill.apache.org Delivered-To: mailing list issues@drill.apache.org Received: (qmail 93085 invoked by uid 99); 4 Feb 2016 00:48:40 -0000 Received: from arcas.apache.org (HELO arcas) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 04 Feb 2016 00:48:40 +0000 Received: from arcas.apache.org (localhost [127.0.0.1]) by arcas (Postfix) with ESMTP id D03382C1F5B for ; Thu, 4 Feb 2016 00:48:39 +0000 (UTC) Date: Thu, 4 Feb 2016 00:48:39 +0000 (UTC) From: "Rahul Challapalli (JIRA)" To: issues@drill.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (DRILL-4256) Performance regression in hive planning 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/DRILL-4256?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15131465#comment-15131465 ] Rahul Challapalli commented on DRILL-4256: ------------------------------------------ I manually verified the fix and it looks good! > Performance regression in hive planning > --------------------------------------- > > Key: DRILL-4256 > URL: https://issues.apache.org/jira/browse/DRILL-4256 > Project: Apache Drill > Issue Type: Bug > Components: Functions - Hive, Query Planning & Optimization > Affects Versions: 1.5.0 > Reporter: Rahul Challapalli > Assignee: Venki Korukanti > Fix For: 1.5.0 > > Attachments: jstack.tgz > > > Commit # : 76f41e18207e3e3e987fef56ee7f1695dd6ddd7a > The fix for reading hive tables backed by hbase caused a performance regression. The data set used in the below test has ~3700 partitions and the filter in the query would ensure only 1 partition get selected. > {code} > Commit : 76f41e18207e3e3e987fef56ee7f1695dd6ddd7a > Query : explain plan for select count(*) from lineitem_partitioned where `year`=2015 and `month`=1 and `day` =1; > Time : ~25 seconds > {code} > {code} > Commit : 1ea3d6c3f144614caf460648c1c27c6d0f5b06b8 > Query : explain plan for select count(*) from lineitem_partitioned where `year`=2015 and `month`=1 and `day` =1; > Time : ~6.5 seconds > {code} > Since the data is large, I couldn't attach it here. Reach out to me if you need additional information. -- This message was sent by Atlassian JIRA (v6.3.4#6332)