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 7EB808847 for ; Fri, 9 Sep 2011 19:50:15 +0000 (UTC) Received: (qmail 70477 invoked by uid 500); 9 Sep 2011 19:50:13 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 70366 invoked by uid 500); 9 Sep 2011 19:50:12 -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 70356 invoked by uid 99); 9 Sep 2011 19:50:12 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 09 Sep 2011 19:50:12 +0000 X-ASF-Spam-Status: No, hits=0.0 required=5.0 tests=FREEMAIL_ENVFROM_END_DIGIT,FREEMAIL_FROM,HK_RANDOM_ENVFROM,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 teddyyyy123@gmail.com designates 209.85.213.172 as permitted sender) Received: from [209.85.213.172] (HELO mail-yx0-f172.google.com) (209.85.213.172) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 09 Sep 2011 19:50:05 +0000 Received: by yxt33 with SMTP id 33so507892yxt.31 for ; Fri, 09 Sep 2011 12:49:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:content-type; bh=Rek4aAG6l2WAmgGo/dOt09i/BGT2kWKBuH4/ixp+fow=; b=Z3obG68gzwHblAscSzkJyP4cMy91AvlCVNtECPfomvB/DbGwJY4JBe2cYHV7CtuAu8 fIr9MUicbFgH34ydQf2Tl8pGWG3zU0v9djzByYz+TqjZbLJhHxzMyYHAKS0mhkN/nnid MKZ/Y4k5jGUaxU7LDubE+H6Kp17VqiPmncgkU= MIME-Version: 1.0 Received: by 10.150.47.23 with SMTP id u23mr2396619ybu.281.1315597785177; Fri, 09 Sep 2011 12:49:45 -0700 (PDT) Received: by 10.151.38.15 with HTTP; Fri, 9 Sep 2011 12:49:45 -0700 (PDT) Date: Fri, 9 Sep 2011 12:49:45 -0700 Message-ID: Subject: would expiring columns expire a row? From: Yang To: user@cassandra.apache.org Content-Type: text/plain; charset=ISO-8859-1 if all the columns in a row expired, would the row key be deleted ? that way the key lookup could possibly be faster due to a smaller key space Thanks Yang