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 B595877C1 for ; Mon, 7 Nov 2011 15:26:58 +0000 (UTC) Received: (qmail 37389 invoked by uid 500); 7 Nov 2011 15:26:56 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 37365 invoked by uid 500); 7 Nov 2011 15:26:56 -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 37357 invoked by uid 99); 7 Nov 2011 15:26:56 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 07 Nov 2011 15:26:56 +0000 X-ASF-Spam-Status: No, hits=0.7 required=5.0 tests=SPF_NEUTRAL X-Spam-Check-By: apache.org Received-SPF: neutral (nike.apache.org: local policy) Received: from [64.6.108.239] (HELO ponto.amerinoc.com) (64.6.108.239) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 07 Nov 2011 15:26:47 +0000 Received: from fbsd8.localdomain (205.83.broadband7.iol.cz [88.102.83.205]) (authenticated bits=128) by ponto.amerinoc.com (8.14.5/8.14.5) with ESMTP id pA7FQF0q010208 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Mon, 7 Nov 2011 16:26:23 +0100 (CET) (envelope-from hsn@sendmail.cz) Received: from [127.0.0.1] ([10.0.0.1]) by fbsd8.localdomain (8.14.4/8.14.4) with ESMTP id pA7FQ7ag037369 for ; Mon, 7 Nov 2011 16:26:09 +0100 (CET) (envelope-from hsn@sendmail.cz) Message-ID: <4EB7F88B.1040201@sendmail.cz> Date: Mon, 07 Nov 2011 16:26:03 +0100 From: Radim Kolar User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:7.0.1) Gecko/20110929 Thunderbird/7.0.1 MIME-Version: 1.0 To: user@cassandra.apache.org Subject: Re: Second Cassandra users survey References: <3BFA92FC-3C42-4EC3-8B31-9F9B93B69C37@gmx.net> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Antivirus: avast! (VPS 111107-0, 07.11.2011), Outbound message X-Antivirus-Status: Clean X-Virus-Checked: Checked by ClamAV on apache.org > So my question related deterministic sharding is this, "what rebalance feature(s) would be useful or needed once the partitions get unbalanced?" In current cassandra you can use "nodetool move" for rebalancing. Its fast operation, portion of existing data is moved to new server.