Return-Path: Delivered-To: apmail-incubator-cassandra-user-archive@minotaur.apache.org Received: (qmail 96378 invoked from network); 31 Oct 2009 02:56:12 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 31 Oct 2009 02:56:12 -0000 Received: (qmail 8251 invoked by uid 500); 31 Oct 2009 02:56:11 -0000 Delivered-To: apmail-incubator-cassandra-user-archive@incubator.apache.org Received: (qmail 8170 invoked by uid 500); 31 Oct 2009 02:56:10 -0000 Mailing-List: contact cassandra-user-help@incubator.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: cassandra-user@incubator.apache.org Delivered-To: mailing list cassandra-user@incubator.apache.org Received: (qmail 8135 invoked by uid 99); 31 Oct 2009 02:56:09 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Sat, 31 Oct 2009 02:56:09 +0000 X-ASF-Spam-Status: No, hits=-0.0 required=10.0 tests=SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of jbellis@gmail.com designates 209.85.219.205 as permitted sender) Received: from [209.85.219.205] (HELO mail-ew0-f205.google.com) (209.85.219.205) by apache.org (qpsmtpd/0.29) with ESMTP; Sat, 31 Oct 2009 02:56:01 +0000 Received: by ewy1 with SMTP id 1so3338093ewy.27 for ; Fri, 30 Oct 2009 19:55:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :from:date:message-id:subject:to:content-type; bh=KXEcO6YyLVOkd8N+DxMaogKAGg+50Tp0Tgn2RRXtm7g=; b=g5pCQQtp9ScBp0bNAI9w5JU12PRXPTAUUY+nT0+liIeTEID2JK7G2Wy9g3CkQipH0a 20lMLD7ZSuR5mVJphMgrWlvv6v9TZhwuSLcKas7M2ALuDbnc//EilMzL/FMde6WKWAm0 JAgSeDj2swSzKwSrIzy0pTbKuyd6JTAWHgHLY= 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=bhM0EpRDsiZ20D06uDsAM3vVP0M3RzncBR690bszUwzhW1aBC5+R7T8M0Iw/dx/zqJ Z9Z8jruHXQptNJ/O3ttUZSrEwlfQ11XbEKnkKztz6KrjtmNfxTXGX3YKSty2ILsposFb WSr37kJT5U+D5bPKe7lH0WM+hYIwavmMd9Ae8= MIME-Version: 1.0 Received: by 10.216.86.144 with SMTP id w16mr1146283wee.59.1256957741115; Fri, 30 Oct 2009 19:55:41 -0700 (PDT) In-Reply-To: References: From: Jonathan Ellis Date: Fri, 30 Oct 2009 20:55:21 -0600 Message-ID: Subject: Re: Is Cassandra 0.5 backwards compatible with 0.4 data/commitlogs To: cassandra-user@incubator.apache.org Content-Type: text/plain; charset=ISO-8859-1 X-Virus-Checked: Checked by ClamAV on apache.org data, yes. commitlogs, no. so use nodeprobe flush (in the 0.4 svn branch, to become 0.4.2) to flush the log when you upgrade. On Fri, Oct 30, 2009 at 5:44 PM, Ramzi Rabah wrote: > Will cassandra 0.5 be backwards compatible with data and commitlogs > generated by older cassandra versions? > > Thanks > Ray >