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], Fabric [3], or Capistrano [4], MCollective relies on middleware based on the publish/subscribe method to launch jobs on various nodes. The middleware supported by the framework can be any kind of STOMP
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in your kernel configuration and possibly rebuild the kernel. Including the symbols, vmlinux weighs in at more than 40MB.
Next, open a connection to the debug server by typing target remote :1234 (Figure 3
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the Downloads
page to a mirror, you might be overwhelmed by the list of innumerable files (Figure 1). Normally, however, all you need is the approximately 100MB ISO image, pfSense-2.0-RELEASE-i386.iso.gz, from
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between Citrix and Microsoft is demonstrated by the availability of graphical management tools. Basic management tasks on the host system (Dom0
) can be handled using the Curses-based xcconsole and the xe
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_HOME
03 /usr/lib/jvm/jre-1.6.0-openjdk
04 # java -version
05 java version "1.6.0_18"
06 OpenJDK Runtime Environment (IcedTea6 1.8.3) (fedora-46.1.8.3.fc13-i386)
07 OpenJDK Server VM (build 14.0-b16, mixed
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it took to process them (lat for latency.)
Figure 1 shows the results of a test on a ThinkPad T520 with a 300GB Intel SSD 320 on kernel 3.0. When you are measuring performance, it makes sense to think
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or newer. Python programmers need to use version 2.5; the SDK and the environment on the Google servers do not support the current Python 3.0. The SDK for Go exists at the moment only for Linux and Mac OS X
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machine, and the database can easily be installed on a separate host.
Setting up a Test Environment
The installation requirements of 128MB of free RAM and 256MB of free disk space, as cited
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were run on a virtual system (using ESX as the hypervisor) with fixed reservations for CPU and memory. To be more precise, I used a virtual CPU running at 1.5GHz and with 512MB of RAM in the virtual
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for this article, my required space was approximately 300MB and just under 100MB for the temporary staging space.
Keep the temporary staging directory intact for future installations and customizations. The disk