From user-return-31633-apmail-cassandra-user-archive=cassandra.apache.org@cassandra.apache.org Mon Feb 4 17:06:54 2013 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 D8AE6EEB9 for ; Mon, 4 Feb 2013 17:06:54 +0000 (UTC) Received: (qmail 80930 invoked by uid 500); 4 Feb 2013 17:06:52 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 80903 invoked by uid 500); 4 Feb 2013 17:06:52 -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 80891 invoked by uid 99); 4 Feb 2013 17:06:51 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 04 Feb 2013 17:06:51 +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 (nike.apache.org: local policy) Received: from [208.113.200.5] (HELO homiemail-a93.g.dreamhost.com) (208.113.200.5) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 04 Feb 2013 17:06:44 +0000 Received: from homiemail-a93.g.dreamhost.com (localhost [127.0.0.1]) by homiemail-a93.g.dreamhost.com (Postfix) with ESMTP id A2CA984065 for ; Mon, 4 Feb 2013 09:06:22 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=thelastpickle.com; h=from :content-type:message-id:mime-version:subject:date:references:to :in-reply-to; s=thelastpickle.com; bh=99fk4pJOg+LGsaGrMTJZ2XsVQD 4=; b=UVRlJmzy6KRtpQZmjb3P6SCN3ofaJ41sZha2kJ3xJJxy7amTvI5GBvb0PW PWGAddIjeV3zG4r2Y8wPbRNI3P6nKmeHHLiBBOIkfWJmEOad1deGdArtxIPLvwKb fJErKv1rF22ffgeS6dkvIubAxxwIdBhzLu8EsmEaj0YU4JiV8= Received: from [172.16.1.8] (unknown [203.86.207.101]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (No client certificate requested) (Authenticated sender: aaron@thelastpickle.com) by homiemail-a93.g.dreamhost.com (Postfix) with ESMTPSA id 25DD08405C for ; Mon, 4 Feb 2013 09:06:21 -0800 (PST) From: aaron morton Content-Type: multipart/alternative; boundary="Apple-Mail=_397B350A-016A-4DF5-809C-77146558AB55" Message-Id: <12248381-AE08-4278-B778-9905EBE8B735@thelastpickle.com> Mime-Version: 1.0 (Mac OS X Mail 6.2 \(1499\)) Subject: Re: Index file Date: Tue, 5 Feb 2013 06:06:21 +1300 References: <57C7C3CBDCB04F45A57AEC4CB21C0CCD1DB1E9CB@mbx024-e1-nj-6.exch024.domain.local> To: user@cassandra.apache.org In-Reply-To: <57C7C3CBDCB04F45A57AEC4CB21C0CCD1DB1E9CB@mbx024-e1-nj-6.exch024.domain.local> X-Mailer: Apple Mail (2.1499) X-Virus-Checked: Checked by ClamAV on apache.org --Apple-Mail=_397B350A-016A-4DF5-809C-77146558AB55 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=windows-1252 -Index.db components only contain the index. In v1.2+ -Summary.db contains a sampling of the index read at startup.=20= Cheers ----------------- Aaron Morton Freelance Cassandra Developer New Zealand @aaronmorton http://www.thelastpickle.com On 3/02/2013, at 11:03 AM, Kanwar Sangha wrote: > Hi =96 The index files created for the SSTables. Do they contain a = sampling or the complete index ? Cassandra on startup loads these files = based on the sampling rate in Cassandra.yaml ..right ? > =20 > =20 --Apple-Mail=_397B350A-016A-4DF5-809C-77146558AB55 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=windows-1252 -Index.db components only = contain the index.

In v1.2+ -Summary.db contains = a sampling of the index read at = startup. 

Cheers

http://www.thelastpickle.com

On 3/02/2013, at 11:03 AM, Kanwar Sangha <kanwar@mavenir.com> = wrote:

Hi =96 = The index files created for the SSTables. Do they contain a sampling or = the complete index ? Cassandra on startup loads these files based on the = sampling rate in Cassandra.yaml ..right ?