Return-Path: Delivered-To: apmail-cassandra-user-archive@www.apache.org Received: (qmail 5698 invoked from network); 27 Feb 2011 18:42:31 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 27 Feb 2011 18:42:31 -0000 Received: (qmail 22261 invoked by uid 500); 27 Feb 2011 18:42:29 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 21301 invoked by uid 500); 27 Feb 2011 18:42:26 -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 21285 invoked by uid 99); 27 Feb 2011 18:42:25 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Sun, 27 Feb 2011 18:42:25 +0000 X-ASF-Spam-Status: No, hits=1.5 required=5.0 tests=FREEMAIL_FROM,HTML_MESSAGE,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 mimi.aluminium@gmail.com designates 209.85.210.172 as permitted sender) Received: from [209.85.210.172] (HELO mail-iy0-f172.google.com) (209.85.210.172) by apache.org (qpsmtpd/0.29) with ESMTP; Sun, 27 Feb 2011 18:42:18 +0000 Received: by iyj8 with SMTP id 8so2592845iyj.31 for ; Sun, 27 Feb 2011 10:41:58 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:date:message-id:subject:from:to :content-type; bh=iCwVVwL5L8DW0M1JkmarnKr8DveEmDV3XT9p1Z1xISE=; b=HF5yOMSVErcn3fVrwqOBBgTiJfBpihTZIi2P22dsOEpaOX7n8dULPoGflsXbS3fQUC SLiaWV9crEzTyUqJbktR04z5nue3JbMMQV1MSvuTup9/l8zvU5WSvJ95FXR7QpiNRsv3 JCJugTs8XolmBgUPeAqgInmDfpYMnCSDnEt2w= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:content-type; b=nleQnXaynOP3M0mQZtvMc3Jvj0oBmUb4wO1B1/pszH2zKrLDtNc4YC/cye4Q+exFUO V/dYCtnYbtl4RTM19mvBgHtiDE4WyRgRYG+nQjYNowbZxzv0XSfgxGRIflhUfbfjj/Pg pYmCQraladUYjh5kr6sqHdDs4fXJW/GEsnB2A= MIME-Version: 1.0 Received: by 10.42.173.130 with SMTP id r2mr3794129icz.273.1298832117981; Sun, 27 Feb 2011 10:41:57 -0800 (PST) Received: by 10.231.10.69 with HTTP; Sun, 27 Feb 2011 10:41:57 -0800 (PST) Date: Sun, 27 Feb 2011 20:41:57 +0200 Message-ID: Subject: node failure, and automatic decommission (or removetoken) From: Mimi Aluminium To: user@cassandra.apache.org, dev@cassandra.apache.org Content-Type: multipart/alternative; boundary=90e6ba6e83bc03e265049d47eb8d --90e6ba6e83bc03e265049d47eb8d Content-Type: text/plain; charset=ISO-8859-1 Hi, I have a question about a tool or a wrapper that perform automatic data move upon node failure? Assuming I have 3 nodes with a replication factor of 3. In case of one node failure, does the third replica (that was located before on the failed node ) re-appears on one the of live nodes? I am looking for something that is similar to Hinted Handoff but with with a viable that can be read. I know we can stream manually the data (using nodetool move or decommissions), but is there something automatic? I also found an open ticket 957 but was not sure this is what I am looking for. Thanks Miriam Miriam Allalouf, PhD ---------------------------------------- Storage & Network Research IBM, Haifa Research Labs Tel: 972-3-7689525 Mobile: 972-52-3664129 e-mail: miriama@il.ibm.com --90e6ba6e83bc03e265049d47eb8d Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable
Hi,
I have a question about=A0a tool or a wrapper that perform automatic d= ata move upon node failure?
Assuming I have=A0=A03 nodes with=A0a replication factor of 3.=A0In ca= se of one node failure, does the third replica (that was located before on = the failed node ) re-appears on one the of live nodes?
I am looking for= something that is similar to Hinted Handoff but with with a viable that ca= n be read.
I know we can=A0stream manually the data (using nodetool move or decom= missions), but is there something automatic?
I also found an open ticket 957 but was not sure this is what I am loo= king for.
Thanks
Miriam
=A0
=A0
=A0

Miriam Allalouf, PhD
----------------------------------------
Stor= age & Network Research
IBM, Haifa Research Labs
Tel: 972-3-768952= 5
Mobile: 972-52-3664129
e-mail: miriama@il.ibm.com

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