From users-return-210438-apmail-tomcat-users-archive=tomcat.apache.org@tomcat.apache.org Sat Mar 27 13:06:00 2010 Return-Path: Delivered-To: apmail-tomcat-users-archive@www.apache.org Received: (qmail 89420 invoked from network); 27 Mar 2010 13:05:59 -0000 Received: from unknown (HELO mail.apache.org) (140.211.11.3) by 140.211.11.9 with SMTP; 27 Mar 2010 13:05:59 -0000 Received: (qmail 25302 invoked by uid 500); 27 Mar 2010 13:05:56 -0000 Delivered-To: apmail-tomcat-users-archive@tomcat.apache.org Received: (qmail 25251 invoked by uid 500); 27 Mar 2010 13:05:55 -0000 Mailing-List: contact users-help@tomcat.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: "Tomcat Users List" Delivered-To: mailing list users@tomcat.apache.org Received: (qmail 25242 invoked by uid 99); 27 Mar 2010 13:05:55 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Sat, 27 Mar 2010 13:05:55 +0000 X-ASF-Spam-Status: No, hits=-0.0 required=10.0 tests=RCVD_IN_DNSWL_NONE,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of dckerber@verizon.net designates 206.46.173.17 as permitted sender) Received: from [206.46.173.17] (HELO vms173017pub.verizon.net) (206.46.173.17) by apache.org (qpsmtpd/0.29) with ESMTP; Sat, 27 Mar 2010 13:05:47 +0000 Received: from [127.0.0.1] ([unknown] [71.245.73.23]) by vms173017.mailsrvcs.net (Sun Java(tm) System Messaging Server 7u2-7.02 32bit (built Apr 16 2009)) with ESMTPA id <0KZX002U1Z0G7HE4@vms173017.mailsrvcs.net> for users@tomcat.apache.org; Sat, 27 Mar 2010 08:05:10 -0500 (CDT) Message-id: <4BAE0281.9010102@verizon.net> Date: Sat, 27 Mar 2010 09:05:05 -0400 From: David Kerber User-Agent: Thunderbird 2.0.0.24 (Windows/20100228) MIME-version: 1.0 To: Tomcat Users List Subject: Re: jvm exits without trace References: <1267003420.17873.180.camel@oasis> <1268743292.4096.349.camel@oasis> <051b01cac51d$8b653670$6a00a8c0@dan> <4B9FAC11.4020601@etf.bg.ac.rs> <4B9FE7F5.6070800@ice-sa.com> <010801cac552$336556f0$6a00a8c0@dan> <82f04dc41003221117q547573bdp51269728584cf9eb@mail.gmail.com> <061001cac9f6$b61f41c0$6a00a8c0@dan> <4BACF185.8060802@verizon.net> <4BAD4FD6.1000602@verizon.net> In-reply-to: Content-type: text/plain; charset=ISO-8859-1; format=flowed Content-transfer-encoding: 7bit Peter Crowther wrote: > On 27 March 2010 00:22, David Kerber wrote: > > >> BTW, after looking back at my development notes, the jdbc-odbc bridges, >> while a pain to set up, have better performance than the type 4 drivers that >> Sybase also offers. >> >> That's frightening, given the extra layers of code for the ODBC bridge. If >> > I were Sybase, I'd be ashamed of my code quality - or trying to implement > the missing features that cause your application to behave better with the > ODBC bridge. > Except that with the bridge, much of the work can be done in highly optimized C code (there's a separate driver for each platform), rather than in java, which probably makes up for the extra layer. In addtion, they say that ODBC is a native interface for SQLAnywhere, so there are fewer layers than most ODBC implementations would have. D --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscribe@tomcat.apache.org For additional commands, e-mail: users-help@tomcat.apache.org