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 AE83895C7 for ; Tue, 28 Feb 2012 08:19:37 +0000 (UTC) Received: (qmail 59967 invoked by uid 500); 28 Feb 2012 08:19:35 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 59028 invoked by uid 500); 28 Feb 2012 08:19:33 -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 58989 invoked by uid 99); 28 Feb 2012 08:19:33 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 28 Feb 2012 08:19:33 +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-a41.g.dreamhost.com) (208.113.200.5) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 28 Feb 2012 08:19:27 +0000 Received: from homiemail-a41.g.dreamhost.com (localhost [127.0.0.1]) by homiemail-a41.g.dreamhost.com (Postfix) with ESMTP id 1365E44C061 for ; Tue, 28 Feb 2012 00:19:00 -0800 (PST) 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=h65KC+//D9 jLDkp1Un5eA+CX/mBXv+KX7YNKCenW3I0USHsCLEiI4r9w8v8OrzxTEHdGn1Cf+2 GzLZov0jxH11EHN6Bxs/J1htF7/SA6Xzcx+1MZGDd0rFx3H+uqkRKQWFy+TsIQ+M g1cLEz6FkTZE4uzT4rjKBKdrE4+rc+t4E= 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=AHiJrFn6WF6tDHeF TDkxgxUAyuU=; b=BbJK/Ig5+dSHG7aNyonizaUFOomKDv4RfbPpXtdOTFKVllZr FHD16nq6u41uxVwYIrubCWRrTTQhX53vNDetybiI5m+vtBba5L3Rezf9HD2faDk7 wNuQ4zS8qFTV+uRUXIzlH7d6LBbDp/Vv9GoE3/VaTfzGipeyzb4JDvJtqCc= Received: from [172.16.1.3] (125-236-193-159.adsl.xtra.co.nz [125.236.193.159]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (No client certificate requested) (Authenticated sender: aaron@thelastpickle.com) by homiemail-a41.g.dreamhost.com (Postfix) with ESMTPSA id 3C14E44C05D for ; Tue, 28 Feb 2012 00:18:59 -0800 (PST) From: aaron morton Mime-Version: 1.0 (Apple Message framework v1257) Content-Type: multipart/alternative; boundary="Apple-Mail=_F6437253-8D53-4256-AACD-FF7E3B0DAE17" Subject: Re: sstable image/pic ? Date: Tue, 28 Feb 2012 21:18:58 +1300 In-Reply-To: To: user@cassandra.apache.org References: Message-Id: <24514ACE-05E1-485E-95D6-E86567429EBA@thelastpickle.com> X-Mailer: Apple Mail (2.1257) X-Virus-Checked: Checked by ClamAV on apache.org --Apple-Mail=_F6437253-8D53-4256-AACD-FF7E3B0DAE17 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=iso-8859-1 On disk layout is described here, not sure how correct it is now days.=20= http://wiki.apache.org/cassandra/ArchitectureSSTable There are multiple files involved, this will give you an idea of the = read and write path = http://thelastpickle.com/2011/04/28/Forces-of-Write-and-Read/ Hope that helps.=20 ----------------- Aaron Morton Freelance Developer @aaronmorton http://www.thelastpickle.com On 28/02/2012, at 8:07 PM, Franc Carter wrote: >=20 > Hi, >=20 > does anyone know of a picture/image that shows the layout of = keys/columns/values in an sstable - I haven't been able to find one and = am having a hard time visualising the layout from various descriptions = and various overviews >=20 > thanks >=20 > --=20 > Franc Carter | Systems architect | Sirca Ltd > franc.carter@sirca.org.au | www.sirca.org.au > Tel: +61 2 9236 9118=20 > Level 9, 80 Clarence St, Sydney NSW 2000 > PO Box H58, Australia Square, Sydney NSW 1215 >=20 --Apple-Mail=_F6437253-8D53-4256-AACD-FF7E3B0DAE17 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=iso-8859-1 On = disk layout is described here, not sure how correct it is now = days. 

Ther= e are multiple files involved, this will give you an idea of the read =  and write path htt= p://thelastpickle.com/2011/04/28/Forces-of-Write-and-Read/

Hope that = helps. 


http://www.thelastpickle.com

On 28/02/2012, at 8:07 PM, Franc Carter wrote:


Hi,

does anyone know of = a picture/image that shows the layout of keys/columns/values in an = sstable - I haven't been able to find one and am having a hard = time visualising the layout from various descriptions and = various overviews

thanks

--
Franc Carter | Systems architect | = Sirca = Ltd
Level 9, 80 Clarence St, = Sydney NSW 2000
PO Box H58, Australia Square, = Sydney NSW 1215


= --Apple-Mail=_F6437253-8D53-4256-AACD-FF7E3B0DAE17--