Return-Path: Delivered-To: apmail-hadoop-core-dev-archive@www.apache.org Received: (qmail 85069 invoked from network); 4 Feb 2009 21:52:25 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 4 Feb 2009 21:52:25 -0000 Received: (qmail 15822 invoked by uid 500); 4 Feb 2009 21:52:23 -0000 Delivered-To: apmail-hadoop-core-dev-archive@hadoop.apache.org Received: (qmail 15519 invoked by uid 500); 4 Feb 2009 21:52:22 -0000 Mailing-List: contact core-dev-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: core-dev@hadoop.apache.org Delivered-To: mailing list core-dev@hadoop.apache.org Received: (qmail 15508 invoked by uid 99); 4 Feb 2009 21:52:22 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 04 Feb 2009 13:52:22 -0800 X-ASF-Spam-Status: No, hits=-2000.0 required=10.0 tests=ALL_TRUSTED X-Spam-Check-By: apache.org Received: from [140.211.11.140] (HELO brutus.apache.org) (140.211.11.140) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 04 Feb 2009 21:52:21 +0000 Received: from brutus (localhost [127.0.0.1]) by brutus.apache.org (Postfix) with ESMTP id E9877234C48C for ; Wed, 4 Feb 2009 13:51:59 -0800 (PST) Message-ID: <1490526421.1233784319955.JavaMail.jira@brutus> Date: Wed, 4 Feb 2009 13:51:59 -0800 (PST) From: "Owen O'Malley (JIRA)" To: core-dev@hadoop.apache.org Subject: [jira] Updated: (HADOOP-5169) the map output servlet should only locate the index if it isn't in the cache In-Reply-To: <725067359.1233782399646.JavaMail.jira@brutus> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Virus-Checked: Checked by ClamAV on apache.org [ https://issues.apache.org/jira/browse/HADOOP-5169?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Owen O'Malley updated HADOOP-5169: ---------------------------------- Attachment: hadoop-5169.patch This patch pushes the check down so that we check the cache before searching the local dirs for the index. > the map output servlet should only locate the index if it isn't in the cache > ---------------------------------------------------------------------------- > > Key: HADOOP-5169 > URL: https://issues.apache.org/jira/browse/HADOOP-5169 > Project: Hadoop Core > Issue Type: Improvement > Components: mapred > Reporter: Owen O'Malley > Assignee: Owen O'Malley > Attachments: hadoop-5169.patch > > > Currently, the map output servlet locates the cache file using the local dir allocator, before it determines whether the information is in the cache. It would avoid a lot of filesystem lookups if it waited. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.