Return-Path: X-Original-To: apmail-cassandra-user-archive@www.apache.org Delivered-To: apmail-cassandra-user-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 20B601024D for ; Wed, 18 Sep 2013 19:57:12 +0000 (UTC) Received: (qmail 36468 invoked by uid 500); 18 Sep 2013 19:57:08 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 36107 invoked by uid 500); 18 Sep 2013 19:57:08 -0000 Mailing-List: contact user-help@cassandra.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@cassandra.apache.org Delivered-To: mailing list user@cassandra.apache.org Received: (qmail 36097 invoked by uid 99); 18 Sep 2013 19:57:07 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 18 Sep 2013 19:57:07 +0000 X-ASF-Spam-Status: No, hits=-0.7 required=5.0 tests=RCVD_IN_DNSWL_LOW,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: local policy) Received: from [207.46.163.210] (HELO na01-bl2-obe.outbound.protection.outlook.com) (207.46.163.210) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 18 Sep 2013 19:57:00 +0000 Received: from DM2PR07CA007.namprd07.prod.outlook.com (10.141.96.41) by BN1PR07MB007.namprd07.prod.outlook.com (10.255.225.37) with Microsoft SMTP Server (TLS) id 15.0.775.9; Wed, 18 Sep 2013 19:56:18 +0000 Received: from BL2FFO11FD034.protection.gbl (2a01:111:f400:7c09::176) by DM2PR07CA007.outlook.office365.com (2a01:111:e400:2428::41) with Microsoft SMTP Server (TLS) id 15.0.775.9 via Frontend Transport; Wed, 18 Sep 2013 19:56:19 +0000 Received: from xedge2.nrel.gov (192.174.58.243) by BL2FFO11FD034.mail.protection.outlook.com (10.173.161.130) with Microsoft SMTP Server (TLS) id 15.0.775.5 via Frontend Transport; Wed, 18 Sep 2013 19:56:18 +0000 Received: from XHUBB.nrel.gov (10.20.4.59) by xedge2.nrel.gov (192.174.58.243) with Microsoft SMTP Server (TLS) id 14.3.146.0; Wed, 18 Sep 2013 13:56:15 -0600 Received: from MAILBOX2.nrel.gov ([fe80::48b0:b121:8465:5e5]) by XHUBB.nrel.gov ([::1]) with mapi; Wed, 18 Sep 2013 13:55:53 -0600 From: "Hiller, Dean" To: "user@cassandra.apache.org" Date: Wed, 18 Sep 2013 13:55:51 -0600 Subject: hadoop 12 T recommendation vs. cassandra 1T recommendation Thread-Topic: hadoop 12 T recommendation vs. cassandra 1T recommendation Thread-Index: Ac60qRReq+IJkO8RS0qCdEzDXf9eQQ== Message-ID: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Microsoft-MacOutlook/14.3.7.130812 acceptlanguage: en-US Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-Forefront-Antispam-Report: CIP:192.174.58.243;CTRY:US;IPV:NLI;EFV:NLI;SFV:NSPM;SFS:(164054003)(189002)(199002)(76796001)(76786001)(83072001)(50466002)(53416003)(79102001)(76176001)(56816003)(77096001)(77982001)(74876001)(36756003)(54356001)(59766001)(74366001)(54316002)(20776003)(47776003)(63696002)(23746002)(81686001)(15975445006)(56776001)(76482001)(65816001)(74706001)(81816001)(80022001)(19580395003)(80976001)(50986001)(4396001)(47976001)(81542001)(44976005)(83322001)(69226001)(6806004)(15202345003)(81342001)(46102001)(51856001)(83506001)(74662001)(47736001)(47446002)(74502001)(49866001)(31966008)(16796002)(53806001);DIR:OUT;SFP:;SCL:1;SRVR:BN1PR07MB007;H:xedge2.nrel.gov;CLIP:192.174.58.243;FPR:;RD:xedge2.nrel.gov;MX:1;A:1;LANG:en; X-Forefront-PRVS: 09730BD177 X-OriginatorOrg: nrel.gov X-Virus-Checked: Checked by ClamAV on apache.org This article looks like it came out just one month ago or not even http://blog.cloudera.com/blog/2013/08/how-to-select-the-right-hardware-for-= your-new-hadoop-cluster/ And recommends 12-24 1-4TB disks in a JBOD configuration. I know hadoop is= used a lot in analytics but can also be used in some similar use cases as = cassandra can because the performance tests out and about between the two a= re quite similar. (but maybe this recommendation is for analytic type use c= ases only?) I was wondering what some on the cassandra list might think about that=85.i= t is interesting that they also recommend 64G of RAM as well. Thanks, Dean