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 7C1491081B for ; Wed, 11 Sep 2013 16:20:26 +0000 (UTC) Received: (qmail 87084 invoked by uid 500); 11 Sep 2013 16:20:23 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 87074 invoked by uid 500); 11 Sep 2013 16:20:23 -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 87066 invoked by uid 99); 11 Sep 2013 16:20:23 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 11 Sep 2013 16:20:23 +0000 X-ASF-Spam-Status: No, hits=1.5 required=5.0 tests=HTML_MESSAGE,RCVD_IN_DNSWL_LOW,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of 8forty@gmail.com designates 209.85.219.42 as permitted sender) Received: from [209.85.219.42] (HELO mail-oa0-f42.google.com) (209.85.219.42) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 11 Sep 2013 16:20:15 +0000 Received: by mail-oa0-f42.google.com with SMTP id n12so9668671oag.15 for ; Wed, 11 Sep 2013 09:19:54 -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:subject:references :in-reply-to:content-type; bh=vj/Xa0S5RBKP9BRsXnz/Nm85cMcmidgwg+NqmtlC1K0=; b=xpr/tHcgKp63KkOBol4HX5h/bEz8VFqReIY7ma2MchplVFd3r2eOfOGvC0fjR0P7v5 jkp7MPkRr4a5gz/zloiIklHQ6FXmmIi5CNFyL3dUeNjLuFs9FpDGYA5Z7rYVaKAjDD44 TvA9eIDBh6yJncRx6FEFxlnWc9tR40f1l1Cp779QT9kApSTNIgOgX4ippkmNtI05cpPl jOiAURWNknw6y+HjrZrePhZYFhVzVjWLpy0ZV4yONws6lvvvd3Jw1LTY9gekaY0n8fgJ oheO219mkbQ5D2SV64X+Aw/IWj181vXmKGGAh2mIy0YBBvtLDIZ7bHdjJqdoLLFWUq4q ziLg== X-Received: by 10.60.144.230 with SMTP id sp6mr1125672oeb.102.1378916394549; Wed, 11 Sep 2013 09:19:54 -0700 (PDT) Received: from [127.0.0.1] ([162.216.44.217]) by mx.google.com with ESMTPSA id nw5sm29700579obc.9.1969.12.31.16.00.00 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 11 Sep 2013 09:19:53 -0700 (PDT) Message-ID: <52309827.2090103@gmail.com> Date: Wed, 11 Sep 2013 10:19:51 -0600 From: Keith Freeman <8forty@gmail.com> User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130804 Thunderbird/17.0.8 MIME-Version: 1.0 To: user@cassandra.apache.org Subject: Re: heavy insert load overloads CPUs, with MutationStage pending References: <522F32FC.2030804@gmail.com> In-Reply-To: Content-Type: multipart/alternative; boundary="------------030504030600020504030703" X-Virus-Checked: Checked by ClamAV on apache.org This is a multi-part message in MIME format. --------------030504030600020504030703 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit I have RF=2 On 09/10/2013 11:18 AM, Robert Coli wrote: > On Tue, Sep 10, 2013 at 10:17 AM, Robert Coli > wrote: > > On Tue, Sep 10, 2013 at 7:55 AM, Keith Freeman <8forty@gmail.com > > wrote: > > On my 3-node cluster (v1.2.8) with 4-cores each and SSDs for > commitlog and data > > > BTW, is RF=3? If so, you effectively have a 1 node cluster while writing. > > =Rob --------------030504030600020504030703 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit I have RF=2

On 09/10/2013 11:18 AM, Robert Coli wrote:
On Tue, Sep 10, 2013 at 10:17 AM, Robert Coli <rcoli@eventbrite.com> wrote:
On Tue, Sep 10, 2013 at 7:55 AM, Keith Freeman <8forty@gmail.com> wrote:
On my 3-node cluster (v1.2.8) with 4-cores each and SSDs for commitlog and data

BTW, is RF=3? If so, you effectively have a 1 node cluster while writing.

=Rob

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