Return-Path: X-Original-To: apmail-hadoop-mapreduce-issues-archive@minotaur.apache.org Delivered-To: apmail-hadoop-mapreduce-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 A1FDFD0C1 for ; Thu, 23 Aug 2012 23:24:43 +0000 (UTC) Received: (qmail 88741 invoked by uid 500); 23 Aug 2012 23:24:43 -0000 Delivered-To: apmail-hadoop-mapreduce-issues-archive@hadoop.apache.org Received: (qmail 88656 invoked by uid 500); 23 Aug 2012 23:24:43 -0000 Mailing-List: contact mapreduce-issues-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: mapreduce-issues@hadoop.apache.org Delivered-To: mailing list mapreduce-issues@hadoop.apache.org Received: (qmail 88647 invoked by uid 99); 23 Aug 2012 23:24:43 -0000 Received: from arcas.apache.org (HELO arcas) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 23 Aug 2012 23:24:43 +0000 Received: from arcas.apache.org (localhost [127.0.0.1]) by arcas (Postfix) with ESMTP id DFF422C0A70 for ; Thu, 23 Aug 2012 23:24:42 +0000 (UTC) Date: Fri, 24 Aug 2012 10:24:42 +1100 (NCT) From: "Matt Foley (JIRA)" To: mapreduce-issues@hadoop.apache.org Message-ID: <3394160.8175.1345764282917.JavaMail.jiratomcat@arcas> In-Reply-To: <632357996.7806.1341483935845.JavaMail.jiratomcat@issues-vm> Subject: [jira] [Updated] (MAPREDUCE-4400) Fix performance regression for small jobs/workflows 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/MAPREDUCE-4400?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Matt Foley updated MAPREDUCE-4400: ---------------------------------- Fix Version/s: (was: 1.1.1) 1.1.0 Due to delay in 1.1.0, brought this into 1.1.0 from 1.1.1. > Fix performance regression for small jobs/workflows > --------------------------------------------------- > > Key: MAPREDUCE-4400 > URL: https://issues.apache.org/jira/browse/MAPREDUCE-4400 > Project: Hadoop Map/Reduce > Issue Type: Bug > Components: performance, task > Affects Versions: 0.20.203.0, 1.0.3 > Reporter: Luke Lu > Assignee: Luke Lu > Fix For: 1.1.0 > > Attachments: mapreduce-4400-branch-1.patch > > > There is a significant performance regression for small jobs/workflows (vs 0.20.2) in the Hadoop 1.x series. Most noticeable with Hive and Pig jobs. PigMix has an average 40% regression against 0.20.2. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira