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 D5F9510747 for ; Wed, 18 Sep 2013 14:41:46 +0000 (UTC) Received: (qmail 58109 invoked by uid 500); 18 Sep 2013 14:41:43 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 57691 invoked by uid 500); 18 Sep 2013 14:41:43 -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 57673 invoked by uid 99); 18 Sep 2013 14:41:43 -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 14:41:43 +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: domain of chris.burroughs@gmail.com designates 209.85.212.53 as permitted sender) Received: from [209.85.212.53] (HELO mail-vb0-f53.google.com) (209.85.212.53) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 18 Sep 2013 14:41:37 +0000 Received: by mail-vb0-f53.google.com with SMTP id i3so5216910vbh.40 for ; Wed, 18 Sep 2013 07:41:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:content-type:content-transfer-encoding; bh=O9guSac2O8p1pH1WUiaBLAkX4M2cf0MlfJSAn4auR4M=; b=KS4dNozUm3760iJQRsvidY+BwDesJNe9MO6Oi/ch2PTpDPj29dmqHEA0FjlFeEZtOp lsPfqBgdbcbID2xOq39p6YAAtt5Mwd7VKjJCXAU5j8ydMnMmXdsiAVufqsyKlQTrwtAP 936ddSVJnh943IVDkWXHz6o+hp4ee9aPPzCQS0yPPrU0CKK+4+LkEGUd1RssER8uTS4X DUq/q0YwEYd3o3byhY0fx6rrG461fVNqdtKnIINsnxviXzGaIIUU3az9s2og+Dsg1zc6 n0M7PtG09k+KK+pQKXfSArjTflD6mOLfcLaedeNHcvtbQZHauS9VxYz3qG+KXBzzhGe4 Pzmg== X-Received: by 10.52.107.226 with SMTP id hf2mr11936079vdb.2.1379515276330; Wed, 18 Sep 2013 07:41:16 -0700 (PDT) Received: from [192.168.1.142] (208-58-66-240.c3-0.161-ubr1.lnh-161.md.cable.rcn.com. [208.58.66.240]) by mx.google.com with ESMTPSA id i6sm1306571vdv.1.1969.12.31.16.00.00 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 18 Sep 2013 07:41:15 -0700 (PDT) Message-ID: <5239BBAD.10907@gmail.com> Date: Wed, 18 Sep 2013 10:41:49 -0400 From: Chris Burroughs User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130827 Icedove/17.0.8 MIME-Version: 1.0 To: user@cassandra.apache.org CC: Juan Manuel Formoso , dev@cassandra.apache.org, Paulo Motta Subject: Re: I don't understand shuffle progress References: <5239A37F.1030406@gmail.com> In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Checked: Checked by ClamAV on apache.org http://www.datastax.com/documentation/cassandra/1.2/webhelp/index.html#cassandra/operations/ops_add_dc_to_cluster_t.html This is a basic outline. On 09/18/2013 10:32 AM, Juan Manuel Formoso wrote: > I really like this idea. I can create a new cluster and have it replicate > the old one, after it finishes I can remove the original. > > Any good resource that explains how to add a new datacenter to a live > single dc cluster that anybody can recommend? > > > On Wed, Sep 18, 2013 at 9:58 AM, Chris Burroughs > wrote: > >> On 09/17/2013 09:41 PM, Paulo Motta wrote: >> >>> So you're saying the only feasible way of enabling VNodes on an upgraded >>> C* >>> 1.2 is by doing fork writes to a brand new cluster + bulk load of sstables >>> from the old cluster? Or is it possible to succeed on shuffling, even if >>> that means waiting some weeks for the shuffle to complete? >>> >> >> In a multi "DC" cluster situation you *should* be able to bring up a new >> DC with vnodes, bootstrap it, and then decommission the old cluster. >> > > >