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 B84BE9CA8 for ; Sat, 11 Aug 2012 01:35:46 +0000 (UTC) Received: (qmail 49984 invoked by uid 500); 11 Aug 2012 01:35:44 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 49919 invoked by uid 500); 11 Aug 2012 01:35:44 -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 49911 invoked by uid 99); 11 Aug 2012 01:35:44 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Sat, 11 Aug 2012 01:35:44 +0000 X-ASF-Spam-Status: No, hits=-0.7 required=5.0 tests=FSL_RCVD_USER,RCVD_IN_DNSWL_LOW,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of synfinatic@gmail.com designates 209.85.160.44 as permitted sender) Received: from [209.85.160.44] (HELO mail-pb0-f44.google.com) (209.85.160.44) by apache.org (qpsmtpd/0.29) with ESMTP; Sat, 11 Aug 2012 01:35:39 +0000 Received: by pbbrr4 with SMTP id rr4so3594630pbb.31 for ; Fri, 10 Aug 2012 18:35:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:from:date:message-id:subject:to:content-type; bh=4jXxBziEShk7gDgb2fgTb80GFjO7vKw46XW9rkj6M/w=; b=bJLAE2q+Kkgw5X5e/u1xnyVyd/Eks0AUg42Rnnw5XWXdWFLkXA5xAKKEikEQpnS4Bm HlUe/cT1B0qC0uZlQvXomhGmLd/p+mvmObzIdCV1Kz8te2mqiQDURRbImBi2sdpYe/vd LySkfDVVvMr8tX09dlPS2YGFZQwJtlqVEtnaNlrWIjGjQLGE/3MMte9UaomEcVFE9EIh TJD5FaCuWzUkP+F77vBBjXoFlTm0Hw1gPNhmzAK1On42riNXfraZIezCEA802q+MUHh1 xSPMg4phFUspKvARTTCxLJmQ7bksPaXBzhYE1X8TfCovvLhqBr+kqSmGKCxQbW95JcoO EJyQ== Received: by 10.68.116.17 with SMTP id js17mr16919783pbb.109.1344648919152; Fri, 10 Aug 2012 18:35:19 -0700 (PDT) MIME-Version: 1.0 Received: by 10.143.4.10 with HTTP; Fri, 10 Aug 2012 18:34:58 -0700 (PDT) From: Aaron Turner Date: Fri, 10 Aug 2012 18:34:58 -0700 Message-ID: Subject: quick question about data layout on disk To: cassandra users Content-Type: text/plain; charset=ISO-8859-1 X-Virus-Checked: Checked by ClamAV on apache.org Curious, but does cassandra store the rowkey along with every column/value pair on disk (pre-compaction) like Hbase does? If so (which makes the most sense), I assume that's something that is optimized during compaction? -- Aaron Turner http://synfin.net/ Twitter: @synfinatic http://tcpreplay.synfin.net/ - Pcap editing and replay tools for Unix & Windows Those who would give up essential Liberty, to purchase a little temporary Safety, deserve neither Liberty nor Safety. -- Benjamin Franklin "carpe diem quam minimum credula postero"