From mapreduce-issues-return-5830-apmail-hadoop-mapreduce-issues-archive=hadoop.apache.org@hadoop.apache.org Mon Nov 02 02:43:23 2009 Return-Path: Delivered-To: apmail-hadoop-mapreduce-issues-archive@minotaur.apache.org Received: (qmail 69408 invoked from network); 2 Nov 2009 02:43:23 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 2 Nov 2009 02:43:23 -0000 Received: (qmail 57352 invoked by uid 500); 2 Nov 2009 02:43:23 -0000 Delivered-To: apmail-hadoop-mapreduce-issues-archive@hadoop.apache.org Received: (qmail 57276 invoked by uid 500); 2 Nov 2009 02:43:22 -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 57266 invoked by uid 99); 2 Nov 2009 02:43:22 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 02 Nov 2009 02:43:22 +0000 X-ASF-Spam-Status: No, hits=-10.5 required=5.0 tests=AWL,BAYES_00,RCVD_IN_DNSWL_HI X-Spam-Check-By: apache.org Received: from [140.211.11.140] (HELO brutus.apache.org) (140.211.11.140) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 02 Nov 2009 02:43:20 +0000 Received: from brutus (localhost [127.0.0.1]) by brutus.apache.org (Postfix) with ESMTP id 7951B234C1F2 for ; Sun, 1 Nov 2009 18:42:59 -0800 (PST) Message-ID: <857767232.1257129779481.JavaMail.jira@brutus> Date: Mon, 2 Nov 2009 02:42:59 +0000 (UTC) From: "Todd Lipcon (JIRA)" To: mapreduce-issues@hadoop.apache.org Subject: [jira] Updated: (MAPREDUCE-967) TaskTracker does not need to fully unjar job jars In-Reply-To: <889603103.1252564018910.JavaMail.jira@brutus> 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-967?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Todd Lipcon updated MAPREDUCE-967: ---------------------------------- Status: Open (was: Patch Available) > TaskTracker does not need to fully unjar job jars > ------------------------------------------------- > > Key: MAPREDUCE-967 > URL: https://issues.apache.org/jira/browse/MAPREDUCE-967 > Project: Hadoop Map/Reduce > Issue Type: Improvement > Components: tasktracker > Affects Versions: 0.21.0 > Reporter: Todd Lipcon > Assignee: Todd Lipcon > Attachments: mapreduce-967-branch-0.20.txt, mapreduce-967.txt, mapreduce-967.txt > > > In practice we have seen some users submitting job jars that consist of 10,000+ classes. Unpacking these jars into mapred.local.dir and then cleaning up after them has a significant cost (both in wall clock and in unnecessary heavy disk utilization). This cost can be easily avoided -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.