Return-Path: X-Original-To: apmail-cassandra-dev-archive@www.apache.org Delivered-To: apmail-cassandra-dev-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 9AFE69950 for ; Mon, 19 Mar 2012 20:24:52 +0000 (UTC) Received: (qmail 7923 invoked by uid 500); 19 Mar 2012 20:24:51 -0000 Delivered-To: apmail-cassandra-dev-archive@cassandra.apache.org Received: (qmail 7898 invoked by uid 500); 19 Mar 2012 20:24:51 -0000 Mailing-List: contact dev-help@cassandra.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@cassandra.apache.org Delivered-To: mailing list dev@cassandra.apache.org Received: (qmail 7889 invoked by uid 99); 19 Mar 2012 20:24:51 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 19 Mar 2012 20:24:51 +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 (athena.apache.org: domain of soverton@acunu.com designates 209.85.214.44 as permitted sender) Received: from [209.85.214.44] (HELO mail-bk0-f44.google.com) (209.85.214.44) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 19 Mar 2012 20:24:46 +0000 Received: by bkuw5 with SMTP id w5so5459819bku.31 for ; Mon, 19 Mar 2012 13:24:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=acunu.com; s=google; h=mime-version:reply-to:in-reply-to:references:date:message-id :subject:from:to:cc:content-type; bh=w9gCXmpyuwzYJflETjP4hhcDdAGFzRBCtChiH66DDfw=; b=SbGi+JWeKRl+1AcHKb51ORcZf+TbKwCPwGQthxYN1Vm9joMfUjD9c4YyD65XA/z0fy wunmqXcS/C19A/8Mo1xw2MUf+/DCLagcH15LTCXvTbI/2qZ6g7di51ihsd1Hd0MsyIP6 89Z3Ox/iURa/1DF5xzW58zJ7ohvro9YXUmpbg= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=mime-version:reply-to:in-reply-to:references:date:message-id :subject:from:to:cc:content-type:x-gm-message-state; bh=w9gCXmpyuwzYJflETjP4hhcDdAGFzRBCtChiH66DDfw=; b=IbiDFaufSqQDWIiws2d9vfCkjQ8K/+cyKcuwVSM1LB4uuG7IJvfr8aOz/X5rWImGLR fpTlLvBIfz5HJMuED9+pS6oRIGMORvndHtVE2nKNiqNNLD2hYePeI+RrgEPqh7wNvykj 32bub6DLLPGfNXm+268fDozeeJMt08bmfeZfSIoi3KKL1mD1nea5OCAPY+w9cZgJ0cjF buTRCGMNlN8ZuUQKJZ2KfL6EArIfZBdFnDMJDLLpFkO3xcMLxQxGpuElNw4/I03Gz+ya uMt5pEXACTLjUGB7W1I8SWpdoWA8QRUDbZeSVb3RvOJxJCHlMi1Ds1lI7rXgisH9Adk7 wt4Q== MIME-Version: 1.0 Received: by 10.204.128.152 with SMTP id k24mr4937354bks.127.1332188665091; Mon, 19 Mar 2012 13:24:25 -0700 (PDT) Reply-To: sam@acunu.com Received: by 10.204.188.14 with HTTP; Mon, 19 Mar 2012 13:24:25 -0700 (PDT) In-Reply-To: References: <4F647248.7030404@filez.com> <4F66FB29.40103@filez.com> Date: Mon, 19 Mar 2012 20:24:25 +0000 Message-ID: Subject: Re: RFC: Cassandra Virtual Nodes From: Sam Overton To: Edward Capriolo Cc: dev@cassandra.apache.org Content-Type: text/plain; charset=ISO-8859-1 X-Gm-Message-State: ALoCoQkg82QJYxI/WtP6wUkQ8ONPqCSmCfTESC5s3TlEZ7vxYpsetYT0QKNIR/8759p2nHMIqbWC X-Virus-Checked: Checked by ClamAV on apache.org > For OPP the problem of load balancing is more profound. Now you need > vnodes per keyspace because you can not expect each keyspace to have > the same distribution. With three keyspaces you are not unsure as to > which was is causing the hotness. I think OPP should just go away. That's a good point, but isn't that the same problem with trying to balance tokens with OPP currently?