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I'm looking at a few options for load balancing apache2 boxes serving dynamic content. &nbsp;Squid seems focused on caching, which won't work for this scenario, so I'm wondering about UltraMonkey, mod_proxy_balance or other solutions.<br />
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My priorities are very low maintenance (set it and forget it), running on Ubuntu Server 9.04 balancing apache 2.2 VM instances. &nbsp;I'd like live addition/resumption of nodes and heartbeat style fail over. &nbsp;Any thoughts on the matter are welcome.
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I'm looking at a few options for load balancing apache2 boxes serving dynamic content.  Squid seems focused on caching, which won't work for this scenario, so I'm wondering about UltraMonkey, mod_proxy_balance or other solutions.

My priorities are very low maintenance (set it and forget it), running on Ubuntu Server 9.04 balancing apache 2.2 VM instances.  I'd like live addition/resumption of nodes and heartbeat style fail over.  Any thoughts on the matter are welcome.

Apache2 load balance options

A Linux distribution is an operating system made as a software collection based on the Linux kernel and, often, on a package management system and are available for a variety of systems. A typical Linux distribution comprises a Linux kernel, GNU tools and libraries, additional software, documentation, a window system (the most common being the X Window System), a window manager, and a desktop environment. Most Linux systems are open-source software made available both as compiled binaries and in source code form, allowing modifications to the original software. Over three hundred distributions are in active development, including commercially backed distributions (such as Fedora, openSUSE and Ubuntu) and community-driven distributions (such as Debian, Slackware, Gentoo and Arch Linux).

Linux Distributions

The Apache HTTP Server is a secure, efficient and extensible server that provides HTTP services in sync with the current HTTP standards. Typically Apache is run on a Unix-like operating system, but it is available for a wide variety of operating systems, including Linux, Novell NetWare, Mac OS-X and Windows. Released under the Apache License, Apache is open-source software.