Return-Path: X-Original-To: apmail-hbase-user-archive@www.apache.org Delivered-To: apmail-hbase-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 C24FCD5C5 for ; Sat, 22 Sep 2012 21:50:53 +0000 (UTC) Received: (qmail 94460 invoked by uid 500); 22 Sep 2012 21:50:51 -0000 Delivered-To: apmail-hbase-user-archive@hbase.apache.org Received: (qmail 94330 invoked by uid 500); 22 Sep 2012 21:50:51 -0000 Mailing-List: contact user-help@hbase.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@hbase.apache.org Delivered-To: mailing list user@hbase.apache.org Received: (qmail 94321 invoked by uid 99); 22 Sep 2012 21:50:51 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Sat, 22 Sep 2012 21:50:51 +0000 X-ASF-Spam-Status: No, hits=-0.7 required=5.0 tests=FSL_RCVD_USER,RCVD_IN_DNSWL_LOW,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of doug.meil@explorysmedical.com designates 216.32.180.186 as permitted sender) Received: from [216.32.180.186] (HELO co1outboundpool.messaging.microsoft.com) (216.32.180.186) by apache.org (qpsmtpd/0.29) with ESMTP; Sat, 22 Sep 2012 21:50:42 +0000 Received: from mail166-co1-R.bigfish.com (10.243.78.226) by CO1EHSOBE003.bigfish.com (10.243.66.66) with Microsoft SMTP Server id 14.1.225.23; Sat, 22 Sep 2012 21:50:21 +0000 Received: from mail166-co1 (localhost [127.0.0.1]) by mail166-co1-R.bigfish.com (Postfix) with ESMTP id 1559F980164 for ; Sat, 22 Sep 2012 21:50:21 +0000 (UTC) X-Forefront-Antispam-Report: CIP:157.56.241.133;KIP:(null);UIP:(null);IPV:NLI;H:BL2PRD0411HT004.namprd04.prod.outlook.com;RD:none;EFVD:NLI X-SpamScore: 4 X-BigFish: PS4(za66pzbb2dI98dI9371I1432Izz1202h1d1ah1d2ahzz17326ah8275bh8275dhz2fh2a8h668h839h946he5bhf0ah107ah1288h12a5h12a9h12bdh137ah1155h) Received-SPF: pass (mail166-co1: domain of explorysmedical.com designates 157.56.241.133 as permitted sender) client-ip=157.56.241.133; envelope-from=doug.meil@explorysmedical.com; helo=BL2PRD0411HT004.namprd04.prod.outlook.com ;.outlook.com ; Received: from mail166-co1 (localhost.localdomain [127.0.0.1]) by mail166-co1 (MessageSwitch) id 1348350618372596_7518; Sat, 22 Sep 2012 21:50:18 +0000 (UTC) Received: from CO1EHSMHS005.bigfish.com (unknown [10.243.78.245]) by mail166-co1.bigfish.com (Postfix) with ESMTP id 4F6AA54021D for ; Sat, 22 Sep 2012 21:50:18 +0000 (UTC) Received: from BL2PRD0411HT004.namprd04.prod.outlook.com (157.56.241.133) by CO1EHSMHS005.bigfish.com (10.243.66.15) with Microsoft SMTP Server (TLS) id 14.1.225.23; Sat, 22 Sep 2012 21:50:18 +0000 Received: from BL2PRD0411MB397.namprd04.prod.outlook.com ([169.254.11.11]) by BL2PRD0411HT004.namprd04.prod.outlook.com ([10.255.130.39]) with mapi id 14.16.0190.008; Sat, 22 Sep 2012 21:50:17 +0000 From: Doug Meil To: "user@hbase.apache.org" Subject: Re: What is the best value to be used in rowkey Thread-Topic: What is the best value to be used in rowkey Thread-Index: AQHNmM6vJZQcmazzuEKZS/2n9amLDZeWo8sA Date: Sat, 22 Sep 2012 21:50:16 +0000 Message-ID: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.255.130.4] Content-Type: text/plain; charset="Windows-1252" Content-ID: Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: explorysmedical.com Hi there, you probably want to read this=8A http://hbase.apache.org/book.html#schema On 9/22/12 10:29 AM, "Ramasubramanian Narayanan" wrote: >Hi, > >Can anyone suggest what is the best value that can be used for a rowkey in >a hbase table which will not produce duplicate any point of time. For >example timestamp with nano seconds may get duplicated if we are loading >in >a batch file. > >regards, >Rams