Return-Path: Delivered-To: apmail-activemq-users-archive@www.apache.org Received: (qmail 33573 invoked from network); 22 Feb 2007 19:45:41 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 22 Feb 2007 19:45:41 -0000 Received: (qmail 30940 invoked by uid 500); 22 Feb 2007 19:45:44 -0000 Delivered-To: apmail-activemq-users-archive@activemq.apache.org Received: (qmail 30907 invoked by uid 500); 22 Feb 2007 19:45:44 -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 30885 invoked by uid 99); 22 Feb 2007 19:45:44 -0000 Received: from herse.apache.org (HELO herse.apache.org) (140.211.11.133) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 22 Feb 2007 11:45:44 -0800 X-ASF-Spam-Status: No, hits=-0.0 required=10.0 tests=SPF_HELO_PASS,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (herse.apache.org: domain of lists@nabble.com designates 72.21.53.35 as permitted sender) Received: from [72.21.53.35] (HELO talk.nabble.com) (72.21.53.35) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 22 Feb 2007 11:45:32 -0800 Received: from [72.21.53.38] (helo=jubjub.nabble.com) by talk.nabble.com with esmtp (Exim 4.50) id 1HKJsL-000223-7l for users@activemq.apache.org; Thu, 22 Feb 2007 11:45:09 -0800 Message-ID: <9106639.post@talk.nabble.com> Date: Thu, 22 Feb 2007 11:45:09 -0800 (PST) From: Vadim Pesochinsky To: users@activemq.apache.org Subject: Re: [Spam: 5.0] queuePrefetch In-Reply-To: <8964781.post@talk.nabble.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Nabble-From: Vadim.Pesochinskiy@mscibarra.com References: <8964250.post@talk.nabble.com> <8964455.post@talk.nabble.com> <8964781.post@talk.nabble.com> X-Virus-Checked: Checked by ClamAV on apache.org There is no downside unless you are streaming million messages per second. Prefetch 0 means that consumers pulls messages from the queue when they are ready, aka normal behavior. Prefetch > 0 is an optimization, whereby messages are delivered to consumers buffer regardless of wheater or not they are ready to consume. -- View this message in context: http://www.nabble.com/queuePrefetch-tf3227081s2354.html#a9106639 Sent from the ActiveMQ - User mailing list archive at Nabble.com.