From users-return-13723-apmail-jackrabbit-users-archive=jackrabbit.apache.org@jackrabbit.apache.org Mon Dec 14 19:45:15 2009 Return-Path: Delivered-To: apmail-jackrabbit-users-archive@minotaur.apache.org Received: (qmail 55560 invoked from network); 14 Dec 2009 19:45:15 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 14 Dec 2009 19:45:15 -0000 Received: (qmail 22527 invoked by uid 500); 14 Dec 2009 19:45:14 -0000 Delivered-To: apmail-jackrabbit-users-archive@jackrabbit.apache.org Received: (qmail 22480 invoked by uid 500); 14 Dec 2009 19:45:14 -0000 Mailing-List: contact users-help@jackrabbit.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: users@jackrabbit.apache.org Delivered-To: mailing list users@jackrabbit.apache.org Received: (qmail 22469 invoked by uid 99); 14 Dec 2009 19:45:13 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 14 Dec 2009 19:45:13 +0000 X-ASF-Spam-Status: No, hits=-2.6 required=5.0 tests=BAYES_00 X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: local policy) Received: from [208.64.63.171] (HELO mail.sptci.com) (208.64.63.171) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 14 Dec 2009 19:45:11 +0000 Received: from localhost (localhost [127.0.0.1]) by localhost.sptci.com (Postfix) with ESMTP id BE6E81D59F for ; Mon, 14 Dec 2009 11:44:50 -0800 (PST) X-Virus-Scanned: amavisd-new at sptci.com Received: from mail.sptci.com ([127.0.0.1]) by localhost (mail.sptci.com [127.0.0.1]) (amavisd-new, port 10024) with LMTP id ybwbpMT2acwX for ; Mon, 14 Dec 2009 11:44:45 -0800 (PST) Received: from press-dhcp-94.uchicago.edu (press-dhcp-94.uchicago.edu [128.135.181.94]) by mail.sptci.com (Postfix) with ESMTPSA id 070EB1D59E for ; Mon, 14 Dec 2009 11:44:44 -0800 (PST) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Apple Message framework v1077) Subject: Re: Filesystem versus PersistenceManager questions From: Rakesh Vidyadharan In-Reply-To: <4fe4c4f50912141124k7b37f139s7fbef3a5c9c02cb4@mail.gmail.com> Date: Mon, 14 Dec 2009 13:44:44 -0600 Content-Transfer-Encoding: quoted-printable Message-Id: <99641013-5BE7-433F-AEF8-CD19A2E34517@sptci.com> References: <4fe4c4f50912041528v72dd03e6s238649457a70a597@mail.gmail.com> <4fe4c4f50912141124k7b37f139s7fbef3a5c9c02cb4@mail.gmail.com> To: users@jackrabbit.apache.org X-Mailer: Apple Mail (2.1077) On 14 Dec 2009, at 13:24, ChadDavis wrote: >>> 3) Is the Derby PM considered production worthy? Any reason not to = use it? >> Personal I trust derby as a low overhead database with zero >> administration. It's not suitable if you have strong dba person which >> she/he may lose job:) You may use other db if: >> * Prepared to manage database. >> * Multi connection required (embedded db using single connection = always) >> * Cluster your db >> * Huge db size >> * You application will use exist db along with jackrabbit >>=20 >=20 > What do you mean that the embedded db can only have a single > connection? If I run my repository in some server fashion, such as > RMI or SPI, can I still connect to the repository from two > applications at the same time? Or is this the type of > multi-connection you are talking about. An embedded database is bound to a particular process, that is a single = JackRabbit instance. So, if you are running JR as a server, then other = applications will be able to access the underlying data store via the JR = server. Rakesh=