By Matt Massie

Written by way of Ganglia designers and maintainers, this booklet indicates you the way to assemble and visualize metrics from clusters, grids, and cloud infrastructures at any scale. are looking to tune CPU usage from 20,000 hosts each ten seconds? Ganglia is simply the device you wish, when you know the way its major elements interact. This hands-on e-book is helping skilled approach directors make the most of Ganglia 3.x.

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4. gweb runs in a web server, which usually listens on ports 80 and 443 (if you enable SSL). If the gweb server is separated from the end users by a firewall (a likely scenario), allow inbound tcp/80 and possibly tcp/443 to the gweb server. 5. If your Ganglia installation uses sFlow collectors and the sFlow collectors must traverse a firewall to reach their gmond listener, allow inbound udp/6343 to the gmond listener. info CHAPTER 3 Scalability Daniel Pocock and Bernard Li Who Should Be Concerned About Scalability?

The default configuration contains every module available in the default installation, so you should not have to change this section unless you’re adding new modules. so" params = "An extra raw parameter" param RandomMax { value = 75 } param ConstantValue { value = 25 } } } name (text) The name of the module as determined by the module structure if the module was developed in C/C++. Alternatively, the name can be the name of the source file if the module has been implemented in an interpreted language such as Python.

First, gmetad has one additional software dependency (RRDtool), and second, you must include the --with-gmetad option to the configure script, because only gmond is built by the default Makefile. 3 MacPorts (requires Xcode) libconfuse (requires MacPorts) pkgconfig (requires MacPorts) PCRE (requires MacPorts) APR (requires MacPorts) RRDtool (requires MacPorts) Refer to “OS X” on page 12 for instructions on installing Xcode and MacPorts. Once you have those sorted out, install the following packages to satisfy the requirements: $ sudo port install libconfuse pkgconfig pcre apr rrdtool Once those packages have been installed, proceed with the Ganglia installation by downloading the latest Ganglia version.

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