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 5CE909CB0 for ; Tue, 20 Dec 2011 21:14:43 +0000 (UTC) Received: (qmail 5893 invoked by uid 500); 20 Dec 2011 21:14:41 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 5853 invoked by uid 500); 20 Dec 2011 21:14:41 -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 5845 invoked by uid 99); 20 Dec 2011 21:14:41 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 20 Dec 2011 21:14:41 +0000 X-ASF-Spam-Status: No, hits=-0.0 required=5.0 tests=SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of cperezmig@gmail.com designates 209.85.220.172 as permitted sender) Received: from [209.85.220.172] (HELO mail-vx0-f172.google.com) (209.85.220.172) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 20 Dec 2011 21:14:36 +0000 Received: by vcbfk13 with SMTP id fk13so5571236vcb.31 for ; Tue, 20 Dec 2011 13:14:15 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :content-type:content-transfer-encoding; bh=vmWVdpNw+w2z+ReifkDh4VpXQHCj0DH9hgFyOXEcZdg=; b=EPKO1epCooEz5nDGk4k2O78wRQedCX7yl4tDzNZuvMfM070JE40i94IiRI2m0jyyV1 XzKWrh5VxQXFY0DguK0WcM33fuvdoC6M4JlkC6a/xzpmrkD+6feFtHMLq2o68CK5riVT 7Fyc0i2bQk/S1w+y2i01gCSeBMwaHvoMwqfmE= Received: by 10.220.231.194 with SMTP id jr2mr615448vcb.66.1324415655259; Tue, 20 Dec 2011 13:14:15 -0800 (PST) MIME-Version: 1.0 Received: by 10.220.117.148 with HTTP; Tue, 20 Dec 2011 13:13:54 -0800 (PST) In-Reply-To: References: From: =?ISO-8859-1?Q?Carlos_P=E9rez_Miguel?= Date: Tue, 20 Dec 2011 22:13:54 +0100 Message-ID: Subject: Re: about decommissioned node that returns To: user@cassandra.apache.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable What happens with the data stored for that token range already in the cluster? will the restarted node actualize it from any of the replicas? I readed in the maillist archives that in case of token collision, the cluster may not work correctly. But if the restarted node takes always ownership of its token it means that no collision is possible, isn't it? Thank you Carlos P=E9rez Miguel 2011/12/20 Brandon Williams : > On Tue, Dec 20, 2011 at 2:24 PM, aaron morton w= rote: >> Sorry, got that a little wrong. >> >> At startup the node will use the higher of the current seconds since epo= ch >> or the stored generation number. > > Technically stored generation + 1 so it's always increased on a restart. > > -Brandon