Return-Path: Delivered-To: apmail-hive-dev-archive@www.apache.org Received: (qmail 77106 invoked from network); 18 Oct 2010 04:51:47 -0000 Received: from unknown (HELO mail.apache.org) (140.211.11.3) by 140.211.11.9 with SMTP; 18 Oct 2010 04:51:47 -0000 Received: (qmail 90577 invoked by uid 500); 18 Oct 2010 04:51:47 -0000 Delivered-To: apmail-hive-dev-archive@hive.apache.org Received: (qmail 90543 invoked by uid 500); 18 Oct 2010 04:51:47 -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 90535 invoked by uid 500); 18 Oct 2010 04:51:46 -0000 Delivered-To: apmail-hadoop-hive-dev@hadoop.apache.org Received: (qmail 90532 invoked by uid 99); 18 Oct 2010 04:51:46 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 18 Oct 2010 04:51:46 +0000 X-ASF-Spam-Status: No, hits=-2000.0 required=10.0 tests=ALL_TRUSTED X-Spam-Check-By: apache.org Received: from [140.211.11.22] (HELO thor.apache.org) (140.211.11.22) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 18 Oct 2010 04:51:44 +0000 Received: from thor (localhost [127.0.0.1]) by thor.apache.org (8.13.8+Sun/8.13.8) with ESMTP id o9I4pN5I028078 for ; Mon, 18 Oct 2010 04:51:23 GMT Message-ID: <13194012.16021287377483208.JavaMail.jira@thor> Date: Mon, 18 Oct 2010 00:51:23 -0400 (EDT) From: "Namit Jain (JIRA)" To: hive-dev@hadoop.apache.org Subject: [jira] Commented: (HIVE-1538) FilterOperator is applied twice with ppd on. In-Reply-To: <9588773.325221281685516413.JavaMail.jira@thor> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 X-Virus-Checked: Checked by ClamAV on apache.org [ https://issues.apache.org/jira/browse/HIVE-1538?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12921966#action_12921966 ] Namit Jain commented on HIVE-1538: ---------------------------------- Thanks, That will be great. It can lead to substantial improvement (10-15%) on the map-side for a large range of queries > FilterOperator is applied twice with ppd on. > -------------------------------------------- > > Key: HIVE-1538 > URL: https://issues.apache.org/jira/browse/HIVE-1538 > Project: Hadoop Hive > Issue Type: Bug > Components: Query Processor > Reporter: Amareshwari Sriramadasu > Assignee: Amareshwari Sriramadasu > > With hive.optimize.ppd set to true, FilterOperator is applied twice. And it seems second operator is always filtering zero rows. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.