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 B33FA171DE for ; Thu, 18 Jun 2015 06:22:40 +0000 (UTC) Received: (qmail 51202 invoked by uid 500); 18 Jun 2015 06:22:40 -0000 Delivered-To: apmail-activemq-users-archive@activemq.apache.org Received: (qmail 51161 invoked by uid 500); 18 Jun 2015 06:22:40 -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 51140 invoked by uid 99); 18 Jun 2015 06:22:40 -0000 Received: from Unknown (HELO spamd1-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 18 Jun 2015 06:22:40 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd1-us-west.apache.org (ASF Mail Server at spamd1-us-west.apache.org) with ESMTP id A0F8ACEAB8 for ; Thu, 18 Jun 2015 06:22:39 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd1-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: 4.883 X-Spam-Level: **** X-Spam-Status: No, score=4.883 tagged_above=-999 required=6.31 tests=[DKIM_ADSP_CUSTOM_MED=0.001, NML_ADSP_CUSTOM_MED=1.2, SPF_SOFTFAIL=0.972, URIBL_BLOCKED=0.001, URI_HEX=1.313, URI_TRY_3LD=1.396] autolearn=disabled Received: from mx1-eu-west.apache.org ([10.40.0.8]) by localhost (spamd1-us-west.apache.org [10.40.0.7]) (amavisd-new, port 10024) with ESMTP id CCs4xRLuAF48 for ; Thu, 18 Jun 2015 06:22:31 +0000 (UTC) Received: from mwork.nabble.com (mwork.nabble.com [162.253.133.43]) by mx1-eu-west.apache.org (ASF Mail Server at mx1-eu-west.apache.org) with ESMTP id 45B1124CEA for ; Thu, 18 Jun 2015 06:22:31 +0000 (UTC) Received: from mjoe.nabble.com (unknown [162.253.133.57]) by mwork.nabble.com (Postfix) with ESMTP id 54CB221337E7 for ; Wed, 17 Jun 2015 23:22:31 -0700 (PDT) Date: Wed, 17 Jun 2015 23:01:46 -0700 (PDT) From: fmansoor To: users@activemq.apache.org Message-ID: <1434607306342-4697943.post@n4.nabble.com> In-Reply-To: <1433792896965-4697436.post@n4.nabble.com> References: <1433792896965-4697436.post@n4.nabble.com> Subject: Re: Artemis: JMSXGroupID / Message groups: Large number of groups MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Great question, would love to hear the best way to solve this problem. I ran into the same problem recently while using "classic" ActiveMQ, in my particular use case it was hard to predict the number of concurrent active groups, therefore, I ended up switching to simpleMessageGroupMapFactory and hashing UUID to a smaller number of keys. Faisal -- View this message in context: http://activemq.2283324.n4.nabble.com/Artemis-JMSXGroupID-Message-groups-Large-number-of-groups-tp4697436p4697943.html Sent from the ActiveMQ - User mailing list archive at Nabble.com.