Return-Path: Delivered-To: apmail-incubator-cassandra-user-archive@minotaur.apache.org Received: (qmail 61126 invoked from network); 18 Feb 2010 08:52:00 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 18 Feb 2010 08:52:00 -0000 Received: (qmail 50354 invoked by uid 500); 18 Feb 2010 08:52:00 -0000 Delivered-To: apmail-incubator-cassandra-user-archive@incubator.apache.org Received: (qmail 50327 invoked by uid 500); 18 Feb 2010 08:51:59 -0000 Mailing-List: contact cassandra-user-help@incubator.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: cassandra-user@incubator.apache.org Delivered-To: mailing list cassandra-user@incubator.apache.org Received: (qmail 50318 invoked by uid 99); 18 Feb 2010 08:51:59 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 18 Feb 2010 08:51:59 +0000 X-ASF-Spam-Status: No, hits=1.2 required=10.0 tests=SPF_NEUTRAL X-Spam-Check-By: apache.org Received-SPF: neutral (athena.apache.org: local policy) Received: from [209.85.222.172] (HELO mail-pz0-f172.google.com) (209.85.222.172) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 18 Feb 2010 08:51:53 +0000 Received: by pzk2 with SMTP id 2so2264807pzk.21 for ; Thu, 18 Feb 2010 00:51:32 -0800 (PST) MIME-Version: 1.0 Received: by 10.142.67.13 with SMTP id p13mr1797360wfa.54.1266483092598; Thu, 18 Feb 2010 00:51:32 -0800 (PST) In-Reply-To: References: <9b048d181002170748t7379dcfen57537618ec97459b@mail.gmail.com> Date: Thu, 18 Feb 2010 14:51:32 +0600 Message-ID: Subject: Re: Row with many columns From: Rauan Maemirov To: cassandra-user@incubator.apache.org Content-Type: text/plain; charset=ISO-8859-1 Hi, Jonathan. Does it mean, that the whole supercolumn in columnfamily will be on one node? 2010/2/17 Jonathan Ellis : > you are correct, partitioning is entirely by row key. > > as long as your number of rows is an order of magnitude or two more > than your node count in your cluster though, that doesn't really > matter. > > On Wed, Feb 17, 2010 at 9:48 AM, ruslan usifov wrote: >> Hello >> >> For example if we have table, which have rows with many columns (10000 or >> more) how this data will by partitioned?? I expect that one row may by slit >> on some nodes. But look at source of cassandra i think that one row store on >> one node, and never slits, or i be mistaken?? >