From user-return-17784-apmail-cassandra-user-archive=cassandra.apache.org@cassandra.apache.org Thu Jun 16 13:34:19 2011 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 9540E6440 for ; Thu, 16 Jun 2011 13:34:19 +0000 (UTC) Received: (qmail 78399 invoked by uid 500); 16 Jun 2011 13:34:17 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 78360 invoked by uid 500); 16 Jun 2011 13:34:16 -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 78352 invoked by uid 99); 16 Jun 2011 13:34:16 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 16 Jun 2011 13:34:16 +0000 X-ASF-Spam-Status: No, hits=4.2 required=5.0 tests=HTML_MESSAGE,RCVD_IN_DNSWL_NONE,SPF_NEUTRAL,URI_HEX X-Spam-Check-By: apache.org Received-SPF: neutral (athena.apache.org: local policy) Received: from [204.13.248.66] (HELO mho-01-ewr.mailhop.org) (204.13.248.66) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 16 Jun 2011 13:34:11 +0000 Received: from 67-6-236-30.hlrn.qwest.net ([67.6.236.30] helo=[192.168.0.2]) by mho-01-ewr.mailhop.org with esmtpsa (TLSv1:CAMELLIA256-SHA:256) (Exim 4.72) (envelope-from ) id 1QXChh-000PGS-Ny for user@cassandra.apache.org; Thu, 16 Jun 2011 13:33:50 +0000 X-Mail-Handler: MailHop Outbound by DynDNS X-Originating-IP: 67.6.236.30 X-Report-Abuse-To: abuse@dyndns.com (see http://www.dyndns.com/services/mailhop/outbound_abuse.html for abuse reporting information) X-MHO-User: U2FsdGVkX1+Du7BaRYIp73M49p0gIY0V1G66tTry8TI= Message-ID: <4DFA0635.9070404@dude.podzone.net> Date: Thu, 16 Jun 2011 07:33:41 -0600 From: AJ User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.2.17) Gecko/20110414 Lightning/1.0b2 Thunderbird/3.1.10 MIME-Version: 1.0 To: user@cassandra.apache.org Subject: Re: Docs: Token Selection References: <4DF7E4E5.90709@dude.podzone.net> <4DF8197F.1040501@dude.podzone.net> <4DF907CF.2060302@dude.podzone.net> <4DF92549.2040208@dude.podzone.net> <4DF96965.3070108@dude.podzone.net> <8A999437-1E50-4EC8-9C22-AE5DC7D1AC2B@thelastpickle.com> In-Reply-To: <8A999437-1E50-4EC8-9C22-AE5DC7D1AC2B@thelastpickle.com> Content-Type: multipart/alternative; boundary="------------020607080203010301090308" This is a multi-part message in MIME format. --------------020607080203010301090308 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit LOL, I feel Eric's pain. This double-ring thing can throw you for a loop since, like I said, there is only one place it is documented and it is only *implied*, so one is not sure he is interpreting it correctly. Even the source for NTS doesn't mention this. Thanks for everyone's help on this. On 6/16/2011 5:43 AM, aaron morton wrote: > See this thread for background > http://cassandra-user-incubator-apache-org.3065146.n2.nabble.com/Replica-data-distributing-between-racks-td6324819.html > > > In a multi DC environment, if you calculate the initial tokens for the > entire cluster data will not be evenly distributed. > > Cheers > > ----------------- > Aaron Morton > Freelance Cassandra Developer > @aaronmorton > http://www.thelastpickle.com > --------------020607080203010301090308 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit LOL, I feel Eric's pain.  This double-ring thing can throw you for a loop since, like I said, there is only one place it is documented and it is only *implied*, so one is not sure he is interpreting it correctly.  Even the source for NTS doesn't mention this.

Thanks for everyone's help on this.

On 6/16/2011 5:43 AM, aaron morton wrote:
See this thread for background http://cassandra-user-incubator-apache-org.3065146.n2.nabble.com/Replica-data-distributing-between-racks-td6324819.html

In a multi DC environment, if you calculate the initial tokens for the entire cluster data will not be evenly distributed. 

Cheers

-----------------
Aaron Morton
Freelance Cassandra Developer
@aaronmorton


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