HP-UX NSA HTTP B.11.23.01.01 Release Notes HP-UX 11i version 2 (11.23) Edition 1003 Documentation Web Site: http://www.docs.hp.com Manufacturing Part Number: 5971-4797 October 2003 U.S.A. © Copyright 2003 Hewlett-Packard Development Company L.P.
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HP-UX NSA HTTP B.11.23.01.01 Release Notes Announcement HP-UX NSA HTTP B.11.23.01.01 Release Notes Announcement The HP-UX NSA HTTP B.11.23.01.01 product enables NSA (Network Server Accelerator) functionality for the HTTP protocol on HP-UX 11i version 2 (11.23). NSA HTTP improves Web server performance by maintaining an in-kernel cache of recently accessed web pages. When NSA HTTP is activated, web page requests (HTTP GET requests) are serviced directly from the data cache in the kernel.
HP-UX NSA HTTP B.11.23.01.01 Release Notes What’s in this Version What’s in this Version NSA HTTP B.11.23.01.01 includes the following new features: • Support for HP-UX 11i version 2 (HP-UX 11.
HP-UX NSA HTTP B.11.23.01.
HP-UX NSA HTTP B.11.23.01.01 Release Notes NSA HTTP Components Startup Script The /sbin/init.d/nsahttp file is the startup script used to activate NSA HTTP at system startup time. The system will activate NSA HTTP at system startup time if the NSAHTTP_ENABLE flag is set to 1 in the NSA HTTP configuration file (/etc/rc.config.d/nsahttpconf). NOTE Do not modify the /sbin/init.d/nsahttp script file. This file is delivered with the product and may be replaced in future product releases.
HP-UX NSA HTTP B.11.23.01.01 Release Notes System Requirements System Requirements Hardware Requirements HP-UX Integrity system (Intel Itanium-based system). OS Platform and Version Compatibility HP-UX 11i version 2 (B.11.23). Software Requirements The system must have standard HP-UX 11i version 2 core products. HP-UX NSA HTTP B.11.23.01.01. You can obtain HP-UX NSA HTTP B.11.23.01.01 from the HP Software Depot at http://software.hp.com. Specify NSA HTTP Release Depot for HP-UX 11i version 2.
HP-UX NSA HTTP B.11.23.01.01 Release Notes Installing, Activating and Configuring NSA HTTP Installing NSA HTTP 1. Go to the HP Software Depot website, www.software.hp.com. Search for the Network Server Accelerator product using the keyword NSAHTTP. Select HP-UX 11i version 2 for the Software Specification. 2. Download the depot to a local directory, such as /tmp. The depot name is NSAHTTP-IPF.depot. 3.
HP-UX NSA HTTP B.11.23.01.01 Release Notes Installing, Activating and Configuring NSA HTTP 3. Stop the Web server (such as the Apache Web server) you want to use with the NSA HTTP service. 4. Restart the Web server you want to use with the NSA HTTP service. 5. Once the Web server is restarted, there will be one nsad kernel daemon for each socket listening on a port registered with NSA HTTP.
HP-UX NSA HTTP B.11.23.01.01 Release Notes Deactivating and Deinstalling NSA HTTP Deactivating and Deinstalling NSA HTTP This section contains procedures for deactivating and deinstalling HP-UX NSA HTTP. Deactivating NSA HTTP 1. Stop the Web server being used with the NSA HTTP service. 2. Deregister the NSA HTTP application port used by the web server (the default port number is 80, or otherwise configured in /etc/rc.config.d/nsahttpconf): nsahttp -D -p port_num 3. Restart the Web server.
HP-UX NSA HTTP B.11.23.01.01 Release Notes Limitations Limitations NSA HTTP cache size management is not currently integrated with file system buffer cache management. If the NSA HTTP product is installed, HP suggests that you verify and possibly decrease the size of the file system buffer cache. By default, the NSA HTTP maximum cache size percentage is 50 (50% of available system memory).
HP-UX NSA HTTP B.11.23.01.01 Release Notes Documentation If the above kcmodule command is not successful and you still want to deinstall the NSA HTTP product, wait until all local Web clients have completed their transactions with the local Web servers. Terminate any local Web clients that are unable to complete transactions with local Web servers. Repeat the deinstallation procedure. Documentation For usage information, refer to the nsahttp (1) man page.