Return-Path: Delivered-To: apmail-lucene-hadoop-user-archive@locus.apache.org Received: (qmail 10090 invoked from network); 9 Jun 2006 00:32:08 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (209.237.227.199) by minotaur.apache.org with SMTP; 9 Jun 2006 00:32:08 -0000 Received: (qmail 14997 invoked by uid 500); 9 Jun 2006 00:32:08 -0000 Delivered-To: apmail-lucene-hadoop-user-archive@lucene.apache.org Received: (qmail 14966 invoked by uid 500); 9 Jun 2006 00:32:07 -0000 Mailing-List: contact hadoop-user-help@lucene.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: hadoop-user@lucene.apache.org Delivered-To: mailing list hadoop-user@lucene.apache.org Received: (qmail 14957 invoked by uid 99); 9 Jun 2006 00:32:07 -0000 Received: from asf.osuosl.org (HELO asf.osuosl.org) (140.211.166.49) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 08 Jun 2006 17:32:07 -0700 X-ASF-Spam-Status: No, hits=0.0 required=10.0 tests= X-Spam-Check-By: apache.org Received-SPF: pass (asf.osuosl.org: local policy) Received: from [74.0.0.77] (HELO linuxfly.dragonflymc.com) (74.0.0.77) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 08 Jun 2006 17:32:06 -0700 Received: from [192.168.1.246] (unknown [63.133.162.98]) by linuxfly.dragonflymc.com (Postfix) with ESMTP id 4FA0CC2006B for ; Thu, 8 Jun 2006 19:32:46 -0500 (CDT) Message-ID: <4488C171.9090504@dragonflymc.com> Date: Thu, 08 Jun 2006 19:31:45 -0500 From: Dennis Kubes User-Agent: Thunderbird 1.5.0.4 (Windows/20060516) MIME-Version: 1.0 To: hadoop-user@lucene.apache.org Subject: IO Properties Explanation Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Checked: Checked by ClamAV on apache.org X-Spam-Rating: minotaur.apache.org 1.6.2 0/1000/N Can someone explain a little about these different properties and how they would affect performance, operation, and memory. io.sort.factor io.sort.mb io.bytes.per.checksum Thanks, Dennis