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 B724946C1 for ; Wed, 13 Jul 2011 05:43:20 +0000 (UTC) Received: (qmail 98085 invoked by uid 500); 13 Jul 2011 05:43:18 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 97850 invoked by uid 500); 13 Jul 2011 05:43:03 -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 97815 invoked by uid 99); 13 Jul 2011 05:43:01 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 13 Jul 2011 05:43:01 +0000 X-ASF-Spam-Status: No, hits=0.6 required=5.0 tests=FREEMAIL_ENVFROM_END_DIGIT,FREEMAIL_FROM,HK_RANDOM_ENVFROM,HK_RANDOM_FROM,RCVD_IN_DNSWL_LOW,SPF_PASS,T_TO_NO_BRKTS_FREEMAIL X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of teddyyyy123@gmail.com designates 209.85.161.172 as permitted sender) Received: from [209.85.161.172] (HELO mail-gx0-f172.google.com) (209.85.161.172) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 13 Jul 2011 05:42:54 +0000 Received: by gxk19 with SMTP id 19so2035598gxk.31 for ; Tue, 12 Jul 2011 22:42:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type:content-transfer-encoding; bh=71YPUssIzQyVxoLnQmJ5RUApCcYsKg3I3nqxcpxfMc4=; b=K3g5z5SyvoIArf+D1RurvEksw+cp9k0F+4glCr9NVBpiX3c5cJBE7kLWUhlFJGcX7x NpWv3Q+m/rxcOm+3h3jDZoVs+DU0SLWUSWKVGhBKDA/Wu9N6GT+EE+kgipvuCRKtSQsT QhIjiIZxPuWIpb1opGR6rl/e3Huk2V0GTA2cs= MIME-Version: 1.0 Received: by 10.236.161.234 with SMTP id w70mr946550yhk.74.1310535753351; Tue, 12 Jul 2011 22:42:33 -0700 (PDT) Received: by 10.236.202.166 with HTTP; Tue, 12 Jul 2011 22:42:33 -0700 (PDT) In-Reply-To: <4E1D2AF2.30605@dude.podzone.net> References: <4E0E7A07.2050807@dude.podzone.net> <4E10DD11.8010009@dude.podzone.net> <2D176E34-49FA-43A5-979A-2FD75F02BE15@civicscience.com> <4E10FFA8.6090103@dude.podzone.net> <4E110D1F.9070806@dude.podzone.net> <4E1132C0.1000806@dude.podzone.net> <4E1C5C12.8080601@dude.podzone.net> <4E1D2AF2.30605@dude.podzone.net> Date: Tue, 12 Jul 2011 22:42:33 -0700 Message-ID: Subject: Re: Strong Consistency with ONE read/writes From: Yang To: user@cassandra.apache.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable that is not an important issue, it's separate from the replication question I'm thinking about. for now I'll just think about the case where every node owns the same key range , or N=3DRF. > Are you saying: =A0All replicas will receive the value whether or not the= y > actually own the key range for the value. =A0If a node is not a replica f= or a > value, it will not store it, but it will still write it in it's transacti= on > log as a backup in case the leader dies. =A0Is that right? > >>