Return-Path: Delivered-To: apmail-hadoop-common-user-archive@www.apache.org Received: (qmail 84268 invoked from network); 6 Nov 2009 12:05:05 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 6 Nov 2009 12:05:05 -0000 Received: (qmail 18881 invoked by uid 500); 6 Nov 2009 12:05:02 -0000 Delivered-To: apmail-hadoop-common-user-archive@hadoop.apache.org Received: (qmail 18797 invoked by uid 500); 6 Nov 2009 12:05:02 -0000 Mailing-List: contact common-user-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: common-user@hadoop.apache.org Delivered-To: mailing list common-user@hadoop.apache.org Received: (qmail 18787 invoked by uid 99); 6 Nov 2009 12:05:02 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 06 Nov 2009 12:05:02 +0000 X-ASF-Spam-Status: No, hits=-2.8 required=10.0 tests=RCVD_IN_DNSWL_MED,SPF_NEUTRAL X-Spam-Check-By: apache.org Received-SPF: neutral (nike.apache.org: local policy) Received: from [192.6.10.2] (HELO colossus.hpl.hp.com) (192.6.10.2) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 06 Nov 2009 12:04:52 +0000 Received: from localhost (localhost [127.0.0.1]) by colossus.hpl.hp.com (Postfix) with ESMTP id 210A41BA61E for ; Fri, 6 Nov 2009 12:04:32 +0000 (GMT) X-Virus-Scanned: Debian amavisd-new at hpl.hp.com Received: from colossus.hpl.hp.com ([127.0.0.1]) by localhost (colossus.hpl.hp.com [127.0.0.1]) (amavisd-new, port 10024) with LMTP id otpjFpY44Jsj for ; Fri, 6 Nov 2009 12:04:31 +0000 (GMT) Received: from 0-imap-br1.hpl.hp.com (0-imap-br1.hpl.hp.com [16.25.144.60]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by colossus.hpl.hp.com (Postfix) with ESMTPS id AACA51BA44D for ; Fri, 6 Nov 2009 12:04:31 +0000 (GMT) MailScanner-NULL-Check: 1258113861.56114@W7INDCFRa1fOZ0O+1IjIew Received: from [16.25.175.158] (morzine.hpl.hp.com [16.25.175.158]) by 0-imap-br1.hpl.hp.com (8.14.1/8.13.4) with ESMTP id nA6C4LaK003332 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Fri, 6 Nov 2009 12:04:21 GMT Message-ID: <4AF410C5.7020304@apache.org> Date: Fri, 06 Nov 2009 12:04:21 +0000 From: Steve Loughran User-Agent: Thunderbird 2.0.0.23 (X11/20090812) MIME-Version: 1.0 To: common-user@hadoop.apache.org Subject: Re: Cluster Machines References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-HPL-MailScanner-Information: Please contact the ISP for more information X-MailScanner-ID: nA6C4LaK003332 X-HPL-MailScanner: Found to be clean X-HPL-MailScanner-From: stevel@apache.org X-Virus-Checked: Checked by ClamAV on apache.org Allen Wittenauer wrote: > On 11/3/09 2:29 PM, "John Martyniak" wrote: >> So I take your point about the drives and Hadoop/HDFS being able to >> handle what was necessary. Since I don't have a pool, I should make >> two volumes on one physical drive, something like 750 GB and 750 GB >> and dedicate one for HDFS and one for MR. > > Waaaaaaaaaaaaaaay too much for MR. But that's the idea. We're currently > toying with 100GB for MR. Which is still -very- high. [But we really don't > know our workload that well..... soooo :) ] > Anyone been monitoring how much temp spaces the MR consumes, and got some stats to share?