Return-Path: X-Original-To: apmail-activemq-users-archive@www.apache.org Delivered-To: apmail-activemq-users-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 3A04817650 for ; Fri, 13 Mar 2015 05:25:52 +0000 (UTC) Received: (qmail 62940 invoked by uid 500); 13 Mar 2015 05:25:51 -0000 Delivered-To: apmail-activemq-users-archive@activemq.apache.org Received: (qmail 62895 invoked by uid 500); 13 Mar 2015 05:25:51 -0000 Mailing-List: contact users-help@activemq.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: users@activemq.apache.org Delivered-To: mailing list users@activemq.apache.org Received: (qmail 62883 invoked by uid 99); 13 Mar 2015 05:25:51 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 13 Mar 2015 05:25:51 +0000 X-ASF-Spam-Status: No, hits=1.5 required=5.0 tests=HTML_MESSAGE,RCVD_IN_DNSWL_LOW,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of jim.robinson@gmail.com designates 209.85.220.52 as permitted sender) Received: from [209.85.220.52] (HELO mail-pa0-f52.google.com) (209.85.220.52) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 13 Mar 2015 05:25:26 +0000 Received: by paceu11 with SMTP id eu11so26587541pac.4 for ; Thu, 12 Mar 2015 22:24:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:from:date:message-id :subject:to:content-type; bh=Ng7yja+a1kzE5uDHMAQVXv1P/FzmuYIMY6lGx6ja19o=; b=ceGrOy5JqrdRiDLvzqaTujj1OSnv9QK1ocKb62h2ORxycdvLWWfcVfqzCwUIYPCrfF /QRsjIaG0rowXyCdJI14jbaQlPM9Gc9CmSzciCD2GIc1Rg2iCVihIoCH7vPjEg+LFL6m x6p4F6TGX8MhF3s84Gglo5ocCIZxaiYel96rZLBo1CV0Jf1vRJSpmvOYoWxkSN13SwUN mWMxq62y3xjffXRswy81pwD9CXQah+l+oeiD+HXXDqutSmTH4ywZVR4ps+8C376sb9fW w/VbWEmBNMgJIrlA4NaMvAtW1KvoRdmHV0rnXTOxpcUMErllF+K7O3tmi1akBy1gcdy6 lRZw== X-Received: by 10.67.5.130 with SMTP id cm2mr97032842pad.110.1426224279827; Thu, 12 Mar 2015 22:24:39 -0700 (PDT) MIME-Version: 1.0 Sender: jim.robinson@gmail.com Received: by 10.70.49.227 with HTTP; Thu, 12 Mar 2015 22:23:59 -0700 (PDT) In-Reply-To: References: <1425650874394-4692615.post@n4.nabble.com> <54FDC9E8.8000406@gmail.com> <1426132747484-4693034.post@n4.nabble.com> From: "James A. Robinson" Date: Thu, 12 Mar 2015 22:23:59 -0700 X-Google-Sender-Auth: ZbzEmriviQzwXLlau6j0nsDAujQ Message-ID: Subject: Re: Data Migration from KahaDB to LevelDB? To: users@activemq.apache.org Content-Type: multipart/alternative; boundary=047d7b15a5a191ba40051124b73c X-Virus-Checked: Checked by ClamAV on apache.org --047d7b15a5a191ba40051124b73c Content-Type: text/plain; charset=UTF-8 On Thu, Mar 12, 2015 at 9:26 PM, Tim Bain wrote: > This doesn't really work for topics; you need to get the new messages to > collect on b2 while the old consumer drains b1, and only then have the old > consumer disconnect and reconnect on b2; you can't have the consumer > simultaneously connected to both b1 and b2. > I see, my assumption has been that it'd be considered reasonable for the old consumers to not consume new topic data. I see where that might break down depending on your use case for what those consumers were doing. --047d7b15a5a191ba40051124b73c--