Re: MidTier on Linux

[Derek Berube]

** Unless you have a compelling need to run Apache, have you considered just running Tomcat alone?� Most of the environments in which I deploy Mid-Tier, this is the configuration that we use because the web application servers are only being used for Mid-Tier. The only out-of-the ordinary configuration changes that I've made is that I leverage the Java Service Daemon (JSVC) which ships with Tomcat (but you have to compile it) and allows Tomcat to bind to port 80, but run as a non-privileged user.� In addition, in the Tomcat startup scripts, I configure it to use the server-side JVM rather than the default client-side. When installing Mid-Tier, I choose the "Other" options for both the Web Server and Servlet container.� And then I place an arsys �symbolic link in the /opt/tomcat/webapps�folder that points to /opt/ars-midtier (where I actually installed Mid-Tier). If you are really concerned about performance, there are options available to you that can help address this such as using the Apache Portable Runtime (needs to be compiled) which is a native library that Tomcat uses via JNI to manage the connections at the TCP/IP level.� This is the same code that Apache uses for this purpose.� There is also the�Grizzly connector which ships with Sun's�GlassFish (open source J2EE server) is based on the Java Non-Blocking I/O (NIO) API which is a high-performance I/O API targeted for server-based applications designed to let applications handle more connections with fewer threads (ergo fewer resources). I find this simpler because I only have to worry about configuring Tomcat rather than Tomcat and Apache. Just a possible alternative. Derek P.S. My current production server environment consists of three hardware load-balanced x86 boxes running RHEL 3 Release 4, JDK 1.5 release 6, Apache Tomcat 5.5.12 and ARS Mid-Tier 6.3 Patch 14.� My development server is running RHEL 4 Release 2, with JDK 1.5 release 7, Tomcat 5.5.17, and Mid-Tier 7.0 Patch 1. Derek Berube <[EMAIL PROTECTED]> � Wildstar Technologies, LLC. 1453 Riverview Run Lane Suwanee, Georgia 30024 (678) 229-1475 - Office (678) 229-1476 - FAX (404) 444-5283 - Mobile � http://www.wildstartech.com/ AIM Handle: BerubeDB Jabber: [EMAIL PROTECTED] MSN Messenger: [EMAIL PROTECTED] Yahoo! Messenger: derekberube On Jul 25, 2006, at 3:09 PM, Watson Benjamin A Contr AFWA/XOO wrote: ** Greetings List, � System information for starters: � Database: MS SQL Server 2000 SP4 on Windows Server 2003 Application: Remedy 6.3 on Windows Server 2003 Web: MidTier 6.3 on Windows Server 2003 with IIS6 and Servlet Exec. � Now, onto the "problem". � I've gleemed from the list that the Win2K3/IIS6/MidTier/ServletExec combination is rather slow.� I've noticed some sluggishness myself. � I've also seen people mention that an Apache/Tomcat combination is quicker. � Therefore, I've stood up a Red Hat Enterprise Linux 4 Update 3 server with Apache and Tomcat.� Furthermore, I've installed MidTier 7 rather than 6.3 and pointed the install to the Application server listed above. � My questions are: � 1.) Will MT7 work with ARS 6.3? � 2.) Given that the above answer is "yes", what caveats do I need to know to get MT working correctly with Apache/Tomcat? � I know Apache is working as I can see the standard test page when accessing it from another box.� The same goes for Tomcat. � As far as installation is concerned, apache is at /etc/httpd and tomcat is (unfortunately at this time) is in a user's directory /home/<user>/apache-tomcat-<version> � MidTier is installed at /usr/ar/mid-tier. � These are all of the configuration settings I passed into the MT7 installer script, which finished without errors. � Any special configurations I need to make to MidTier, Apache, Tomcat, or all of the above? � When I attempt to access (from the RHEL box) http://localhost/arsys/config/config.jsp as annotated in the documentation, I get a page not found.� � I made a symbolic link in /var/www/http/ and pointed it to the MT install home directory and when I visit the page above, I see the JSP script in the browser window. � Thanks, //SIGNED// BENJAMIN A WATSON, Contractor, AFWA/XOO SAIC - Remedy Team Commercial: (402) 294-8225 DSN: 271-8225 mailto:[EMAIL PROTECTED] mailto:[EMAIL PROTECTED] � __20060125_______________________This posting was submitted with HTML in it___ __20060125_______________________This posting was submitted with HTML in it___