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 00EAB68FE for ; Thu, 21 Jul 2011 22:39:40 +0000 (UTC) Received: (qmail 31430 invoked by uid 500); 21 Jul 2011 22:39:37 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 31369 invoked by uid 500); 21 Jul 2011 22:39:36 -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 31361 invoked by uid 99); 21 Jul 2011 22:39:36 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 21 Jul 2011 22:39:36 +0000 X-ASF-Spam-Status: No, hits=2.2 required=5.0 tests=HTML_MESSAGE,RCVD_IN_DNSWL_NONE,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: local policy) Received: from [208.113.200.5] (HELO homiemail-a50.g.dreamhost.com) (208.113.200.5) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 21 Jul 2011 22:39:31 +0000 Received: from homiemail-a50.g.dreamhost.com (localhost [127.0.0.1]) by homiemail-a50.g.dreamhost.com (Postfix) with ESMTP id 312726F8059 for ; Thu, 21 Jul 2011 15:39:05 -0700 (PDT) DomainKey-Signature: a=rsa-sha1; c=nofws; d=thelastpickle.com; h=from :mime-version:content-type:subject:date:in-reply-to:to :references:message-id; q=dns; s=thelastpickle.com; b=Iz6JotEICj NpzWbT/V11lBYYHumwYrfxoXPZ2h3M29qby911eUtW0er2GZNh1HmYZ+Cb2jciyA 0A8nzQ4T12fXphxGP07bPZNhI35Eeo8uSWWGIux5CjHVO31Tw66s5VAe4nktCW+M vCDRUln9vKm59+lT04FU5jbrzcSpG/wFU= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=thelastpickle.com; h=from :mime-version:content-type:subject:date:in-reply-to:to :references:message-id; s=thelastpickle.com; bh=M3nxc+Vb81KeMxzy euKYuciAMf8=; b=ZZCGG9qWodvchoeL05dhuCvh0mjlWM593s4VmsNK/+Kckxfg jJP+9bBNmWbSNRdOlGwnP5kjn3m5w8nyCoV4D5zf12JHI8sRXxZARdoyFNJeBrMR 8sh5WcrW9RqQ0DovdzqNGuiJXueXP+fIE3UfIUFXalQvGk61kabfeB3j1pM= Received: from [10.0.1.152] (121-73-157-230.cable.telstraclear.net [121.73.157.230]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (No client certificate requested) (Authenticated sender: aaron@thelastpickle.com) by homiemail-a50.g.dreamhost.com (Postfix) with ESMTPSA id DDAF36F8057 for ; Thu, 21 Jul 2011 15:39:03 -0700 (PDT) From: aaron morton Mime-Version: 1.0 (Apple Message framework v1244.3) Content-Type: multipart/alternative; boundary="Apple-Mail=_61A4091B-5B6E-4CC8-B6F0-221EA6C51C30" Subject: Re: Cassandra 0.8.1: request for a sub-column still deserializes all sub-columns for that super column? Date: Fri, 22 Jul 2011 10:39:00 +1200 In-Reply-To: To: user@cassandra.apache.org References: Message-Id: <99A3F5B6-328E-4B1B-886C-077DE65B3D71@thelastpickle.com> X-Mailer: Apple Mail (2.1244.3) --Apple-Mail=_61A4091B-5B6E-4CC8-B6F0-221EA6C51C30 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii Yes ----------------- Aaron Morton Freelance Cassandra Developer @aaronmorton http://www.thelastpickle.com On 22 Jul 2011, at 10:06, Oleg Tsvinev wrote: > Hi All, >=20 > Cassandra documentation here: >=20 > http://www.datastax.com/docs/0.8/data_model/supercolumns >=20 > states that: >=20 > Any request for a sub-column deserializes all sub-columns for that = super column, so you should avoid data models that rely on on large = numbers of sub-columns. >=20 > Is this still true? >=20 > Thank you, > Oleg >=20 --Apple-Mail=_61A4091B-5B6E-4CC8-B6F0-221EA6C51C30 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii
http://www.thelastpickle.com
On 22 Jul 2011, at 10:06, Oleg Tsvinev wrote:

Hi = All,

Cassandra documentation = here:

http://w= ww.datastax.com/docs/0.8/data_model/supercolumns

states that:

Any request for a = sub-column deserializes all sub-columns for that super column, so you = should avoid data models that rely on on large numbers of = sub-columns.
Is this still true?
Thank you,
  = Oleg


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