Return-Path: Delivered-To: apmail-hadoop-core-dev-archive@www.apache.org Received: (qmail 70245 invoked from network); 24 Jan 2008 21:22:57 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 24 Jan 2008 21:22:57 -0000 Received: (qmail 98821 invoked by uid 500); 24 Jan 2008 21:22:46 -0000 Delivered-To: apmail-hadoop-core-dev-archive@hadoop.apache.org Received: (qmail 98794 invoked by uid 500); 24 Jan 2008 21:22:46 -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 98785 invoked by uid 500); 24 Jan 2008 21:22:46 -0000 Delivered-To: apmail-lucene-hadoop-dev@lucene.apache.org Received: (qmail 98782 invoked by uid 99); 24 Jan 2008 21:22:46 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 24 Jan 2008 13:22:46 -0800 X-ASF-Spam-Status: No, hits=-100.0 required=10.0 tests=ALL_TRUSTED X-Spam-Check-By: apache.org Received: from [140.211.11.4] (HELO brutus.apache.org) (140.211.11.4) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 24 Jan 2008 21:22:28 +0000 Received: from brutus (localhost [127.0.0.1]) by brutus.apache.org (Postfix) with ESMTP id D095171420E for ; Thu, 24 Jan 2008 13:22:34 -0800 (PST) Message-ID: <23059571.1201209754845.JavaMail.jira@brutus> Date: Thu, 24 Jan 2008 13:22:34 -0800 (PST) From: "Chris Douglas (JIRA)" To: hadoop-dev@lucene.apache.org Subject: [jira] Updated: (HADOOP-2705) io.file.buffer.size should default to a value larger than 4k In-Reply-To: <21926563.1201209635949.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-2705?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Chris Douglas updated HADOOP-2705: ---------------------------------- Status: Patch Available (was: Open) > io.file.buffer.size should default to a value larger than 4k > ------------------------------------------------------------ > > Key: HADOOP-2705 > URL: https://issues.apache.org/jira/browse/HADOOP-2705 > Project: Hadoop Core > Issue Type: Improvement > Components: conf > Reporter: Chris Douglas > Priority: Minor > Fix For: 0.16.0 > > Attachments: 2705-0.patch > > > Tests using HADOOP-2406 suggest that increasing this to 32k from 4k improves read times for block, lzo compressed SequenceFiles by over 40%; 32k is a relatively conservative bump. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.