From user-return-12717-apmail-cassandra-user-archive=cassandra.apache.org@cassandra.apache.org Tue Feb 01 20:24:56 2011 Return-Path: Delivered-To: apmail-cassandra-user-archive@www.apache.org Received: (qmail 98063 invoked from network); 1 Feb 2011 20:24:55 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 1 Feb 2011 20:24:55 -0000 Received: (qmail 73491 invoked by uid 500); 1 Feb 2011 20:24:53 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 73429 invoked by uid 500); 1 Feb 2011 20:24:53 -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 73421 invoked by uid 99); 1 Feb 2011 20:24:52 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 01 Feb 2011 20:24:52 +0000 X-ASF-Spam-Status: No, hits=4.0 required=5.0 tests=FREEMAIL_FROM,FREEMAIL_REPLY,HTML_MESSAGE,RCVD_IN_DNSWL_LOW,SPF_PASS,T_TO_NO_BRKTS_FREEMAIL X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of sdolgy@gmail.com designates 209.85.216.44 as permitted sender) Received: from [209.85.216.44] (HELO mail-qw0-f44.google.com) (209.85.216.44) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 01 Feb 2011 20:24:46 +0000 Received: by qwi2 with SMTP id 2so7545667qwi.31 for ; Tue, 01 Feb 2011 12:24:25 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:in-reply-to:references:from:date :message-id:subject:to:content-type; bh=TvAWVmYMxP2mEc+ezEIS5OZ2Sl3X0mckInylN+qrH98=; b=RntXyBK8nT++wt1egjnpreBwIujQmDNAv/kX1XSojqwm9VdhoW4WVfy4+KepwKJ5Dd tIbbF3CZJiWoSMc1EYTTq3K6Q0tb3RuMZhSMhmPvXsDWhj4TDYmKCsXZdpezU1kbHkEv oyzcLtmuknr9DqI19hkyYQv5xNJai1BioqBQk= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :content-type; b=CuMFtuJRJSjXLX+1QTL0MeE8yKcwjYjOQu7nwCQPCDmB1DCzT1m47P82T461XFHJqr Sw3qy6PHFPbmIt/gFGgT10KOCEQAnMk2zJ+qLR2oFi30MKCzv6RhN/mVdBB5VFWM5Hnj aha38Lvx3gQyLQHh6Ts56MZsvqnpZEeJsYfP8= Received: by 10.229.182.203 with SMTP id cd11mr5525102qcb.96.1296591864273; Tue, 01 Feb 2011 12:24:24 -0800 (PST) MIME-Version: 1.0 Received: by 10.229.226.203 with HTTP; Tue, 1 Feb 2011 12:24:03 -0800 (PST) In-Reply-To: References: <1296582141589-5981961.post@n2.nabble.com> <1296583033554-5982024.post@n2.nabble.com> From: Sasha Dolgy Date: Tue, 1 Feb 2011 21:24:03 +0100 Message-ID: Subject: Re: cassandra as session store To: user@cassandra.apache.org Content-Type: multipart/alternative; boundary=001485f92bfc7d1cd8049b3e51ab --001485f92bfc7d1cd8049b3e51ab Content-Type: text/plain; charset=ISO-8859-1 What I'm still unclear about, and where I think this is suitable, is Cassandra being used as a data warehouse for current and past sessions tied to a user. Yes, other things are great for session management, but I want to provide near real time session information to my users ... quick and simple and i want to use cassandra ... surely i can't be that bad for thinking this is a good idea? -sd On Tue, Feb 1, 2011 at 9:20 PM, Kallin Nagelberg wrote: > nvm on the persistence, it seems like it does support it: > > 'Since version 1.1 the safer alternative is an append-only file (a > journal) that is written as operations modifying the dataset in memory > are processed. Redis is able to rewrite the append-only file in the > background in order to avoid an indefinite growth of the journal.' > > This thread probably shouldn't digress too much from Cassandra's > suitability for session management though.. --001485f92bfc7d1cd8049b3e51ab Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable

What I'm still unclear about, and where I think this is = suitable, is Cassandra being used as a data warehouse for current and past = sessions tied to a user. =A0Yes, other things are great for session managem= ent, but I want to provide near real time session information to my users .= .. quick and simple and i want to use cassandra ... surely i can't be t= hat bad for thinking this is a good idea?
=A0=A0
-sd

On Tue, Feb 1, 2011 a= t 9:20 PM, Kallin Nagelberg <kallin.nagelberg@gmail.com> wrote:
nvm on the persistence, it seems like it does support it:

'Since version 1.1 the safer alternative is an append-only file (a
journal) that is written as operations modifying the dataset in memory
are processed. Redis is able to rewrite the append-only file in the
background in order to avoid an indefinite growth of the journal.'

This thread probably shouldn't digress too much from Cassandra's suitability for session management though..
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