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 DC35111614 for ; Wed, 23 Jul 2014 20:19:18 +0000 (UTC) Received: (qmail 22302 invoked by uid 500); 23 Jul 2014 20:19:15 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 22260 invoked by uid 500); 23 Jul 2014 20:19:15 -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 22246 invoked by uid 99); 23 Jul 2014 20:19:15 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 23 Jul 2014 20:19:15 +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 (athena.apache.org: domain of doanduyhai@gmail.com designates 209.85.216.52 as permitted sender) Received: from [209.85.216.52] (HELO mail-qa0-f52.google.com) (209.85.216.52) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 23 Jul 2014 20:19:11 +0000 Received: by mail-qa0-f52.google.com with SMTP id j15so1864992qaq.11 for ; Wed, 23 Jul 2014 13:18:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; bh=kDwRvyrXxBuhfc5V3FxynKru20qPa8Pgzjmj12MXgU0=; b=edHUTr2QjcUQEIFWE+leD5kXSEvn3eITRFS77FhzemEiZlj18szO5onEknKti0eXva +cNmVZnJVNiXQPV+vk+1xgGURLrjsn68ccCOfg78gXNBCFtHpx70/qAdbGXufHht6Xad epc+mpxnSqmuKy54kifj+SC5FVxuIM5+gTGuzPzHiHUyUzNvZpI11riJpWa+2UYBXtU3 vwrSR1GsocQRsKjL+CokoU6X9wPJh2ipjmVw3SX9rLoW4+X8QNvI9IzgL1oUvP7/hacf hW0V1dXkHZf91k3axVi9n5UgZ/NGNfPj1tuSX3pZYT6GVFImzTLPBoZ6Yxm476lLwIR8 xhJA== MIME-Version: 1.0 X-Received: by 10.140.34.167 with SMTP id l36mr5626068qgl.61.1406146730871; Wed, 23 Jul 2014 13:18:50 -0700 (PDT) Received: by 10.140.25.196 with HTTP; Wed, 23 Jul 2014 13:18:50 -0700 (PDT) In-Reply-To: References: <65D7B0A8-31DE-4AA0-BC34-AC162A082676@vast.com> Date: Wed, 23 Jul 2014 22:18:50 +0200 Message-ID: Subject: Re: All writes fail with ONE consistency level when adding second node to cluster? From: DuyHai Doan To: user@cassandra.apache.org Content-Type: multipart/alternative; boundary=001a11c106286551da04fee20c80 X-Virus-Checked: Checked by ClamAV on apache.org --001a11c106286551da04fee20c80 Content-Type: text/plain; charset=UTF-8 Why that ? In worst case, CL.ANY will write hints for replicas that are down. If will be extraordinary unlucky to have all replicas down at the same time On Wed, Jul 23, 2014 at 9:26 PM, Robert Coli wrote: > On Wed, Jul 23, 2014 at 12:01 PM, graham sanderson > wrote: > >> Hey now; it is GREAT for a 100% write only use case ;-) >> > > A well WORN [1] path in databases, for sure. > > =Rob > [1] Write Once Read Never > --001a11c106286551da04fee20c80 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Why that ? In worst case, CL.ANY will write hints for repl= icas that are down. If will be extraordinary unlucky to have all replicas d= own at the same time


On Wed, Jul 23, 2014 at 9:26 PM, Robert Coli <rcoli@eventbrite.com= > wrote:
On Wed, Jul 23, 2014 at 12:01 PM, graham sanderson <graham@vast.= com> wrote:
Hey now;= it is GREAT for a 100% write only use case ;-)

=
A well WORN [1] path in databases, for sure.

=3DRob
[1] Write Once Read Never=C2=A0

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