Return-Path: Delivered-To: apmail-cassandra-user-archive@www.apache.org Received: (qmail 96827 invoked from network); 23 Feb 2011 09:28:22 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 23 Feb 2011 09:28:22 -0000 Received: (qmail 77113 invoked by uid 500); 23 Feb 2011 09:28:20 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 77010 invoked by uid 500); 23 Feb 2011 09:28:17 -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 77002 invoked by uid 99); 23 Feb 2011 09:28:17 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 23 Feb 2011 09:28:17 +0000 X-ASF-Spam-Status: No, hits=1.8 required=5.0 tests=FREEMAIL_FROM,FREEMAIL_REPLY,RCVD_IN_DNSWL_LOW,SPF_PASS,T_TO_NO_BRKTS_FREEMAIL X-Spam-Check-By: apache.org Received-SPF: pass (nike.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; Wed, 23 Feb 2011 09:28:08 +0000 Received: by qwh6 with SMTP id 6so2114897qwh.31 for ; Wed, 23 Feb 2011 01:27:48 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:from:date:message-id:subject:to :content-type; bh=IIDP4d7RzuUAMlS9khukWNBI4Bx0+hC8Qd4lUmQTFM8=; b=XNPMKKf9uwMROazB1Ixfn3kpE9N52AiD1D7OxCpTctmLKXzYsWaeH+oE9Cga1jBYmZ vbuf12zn9bqewCpFbtHgosNRuiYmCurszCBMhC8lSqzr8otzuSXLNfHhFbiDaWxaKoqg JXiyd+E0+hxZ6hYJAInKadX0YwEHMJQRbujaw= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:from:date:message-id:subject:to:content-type; b=Jx0Ba0R2LheNVOm8VDHEnG7bC5z0p2Bts9sjba27d8bh3B0f0A1UFjF1UVc/7zkAHE A69j9hHkjyzzs8Grklg+ADE4902ywLdZNwbY1MR/AicisVjrBri3rYAZjB6v1mYo4QyB jD9pTIOWNgwgBe1nHtwEUVE4PqrOtglwXfY9Q= Received: by 10.229.98.198 with SMTP id r6mr2796316qcn.224.1298453268181; Wed, 23 Feb 2011 01:27:48 -0800 (PST) MIME-Version: 1.0 Received: by 10.229.222.213 with HTTP; Wed, 23 Feb 2011 01:27:28 -0800 (PST) From: Sasha Dolgy Date: Wed, 23 Feb 2011 10:27:28 +0100 Message-ID: Subject: dedication to read & write To: user@cassandra.apache.org Content-Type: text/plain; charset=ISO-8859-1 X-Virus-Checked: Checked by ClamAV on apache.org Hi , Is there benefit to delegate some nodes specifically for read operations, and others specifically for write? When designing a web app, I could create a connection pool for reads and one for writes ... or is this me falling back to my rdbms way of thinking? -sd -- Sasha Dolgy sasha.dolgy@gmail.com