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 57B789A3C for ; Thu, 26 Apr 2012 18:13:15 +0000 (UTC) Received: (qmail 20160 invoked by uid 500); 26 Apr 2012 18:13:12 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 20128 invoked by uid 500); 26 Apr 2012 18:13:12 -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 20119 invoked by uid 99); 26 Apr 2012 18:13:12 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 26 Apr 2012 18:13:12 +0000 X-ASF-Spam-Status: No, hits=-0.0 required=5.0 tests=RCVD_IN_DNSWL_LOW,SPF_NEUTRAL X-Spam-Check-By: apache.org Received-SPF: neutral (athena.apache.org: local policy) Received: from [209.85.210.43] (HELO mail-pz0-f43.google.com) (209.85.210.43) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 26 Apr 2012 18:13:07 +0000 Received: by dadn15 with SMTP id n15so2311939dad.30 for ; Thu, 26 Apr 2012 11:12:46 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type:content-transfer-encoding:x-gm-message-state; bh=TsQK/X2MN9wtLuAQbfx/qiTmxgIrD6LjA7c7+oVjkqo=; b=c+h7xc9PNKnmjwp7mpcPKvqsqq67OqEgpIJF3TXkn1Nd9behWBbOsvzcFjEs+w0idM zhGkuNCmaAgGUqkwHOnjmDjHzrTbD5yEs9mZJIvPzqg3u6fCYY1cBQXZYTcUUIfWSXDP 7zl4Q00u9mVKXjWorML87cG/ikfcgxIJhfJ7HgT04gKMMdYGt3pQd47ffSkA/PFrrQ47 qnQhSLIBtfknLXHnXUP/j65G4S1FeAaI8hTWtWfuYjE/NvHBAk3kRb+GRBp8SV8T+YWJ kb091xaal8Tsn9H7tMIDZ6oYZ2XTNz9nb1cjKXLcCoNtaC0cuJO9olJ6KkZjzqx7+5fU h9dw== MIME-Version: 1.0 Received: by 10.68.220.2 with SMTP id ps2mr17263103pbc.109.1335463966649; Thu, 26 Apr 2012 11:12:46 -0700 (PDT) Received: by 10.68.26.193 with HTTP; Thu, 26 Apr 2012 11:12:46 -0700 (PDT) In-Reply-To: References: <4F98F25C.4060200@syncopated.net> Date: Thu, 26 Apr 2012 11:12:46 -0700 Message-ID: Subject: Re: Taking a Cluster Wide Snapshot From: Rob Coli To: user@cassandra.apache.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-Gm-Message-State: ALoCoQlV5D8YU4DxM8rPfGMbsrUhf5tvutgn3oa+40gec6XXO8UKR/ZQ82h8Q8SDhBfOJF8ibHit X-Virus-Checked: Checked by ClamAV on apache.org > I copied all the snapshots from each individual nodes where the snapshot > data size was around 12Gb on each node to a common folder(one folder alon= e). > > Strangely=A0I found duplicate file names in multiple snapshots and > more=A0strangely=A0the data size was different of each duplicate file whi= ch lead > to the total data size to close to 13Gb(else have to be overwritten) wher= e > as the expectation was 12*6 =3D 72Gb. You have detected via experimentation that the namespacing of sstable filenames per CF per node is not unique. In order to do the operation you are doing, you have to rename them to be globally unique. Just inflate the integer part is the easiest way. https://issues.apache.org/jira/browse/CASSANDRA-1983 =3DRob --=20 =3DRobert Coli AIM>ALK - rcoli@palominodb.com YAHOO - rcoli.palominob SKYPE - rcoli_palominodb