Friday, 21 June 2013
How to install Siege for Mac OS X 10.8
Siege is a wonderful tool for benchmarking http urls. Unfortunately since Mountain Lion it can be a bit fidly to install, the main download website has a dmg file that once downloaded says that ones version of OSX is not supported; so build from source. And building from source has problems with X not being supplied by default.
Brew FTW.
So I resorted to bundled packagers, firstly fink but then Brew. Brew worked first time with little effort.
http://mxcl.github.io/homebrew/
ruby -e "$(curl -fsSL https://raw.github.com/mxcl/homebrew/go)"
brew doctor
brew install siege
siege.config
Then edit the .siegerc file generated by siege.config, setting connection from 'close' to 'keep-alive'. I also disable logging too.
Benchmarks can then be run as follows:
siege -c 100 -b http://www.google.com > /dev/null
Press ctrl-c when you want to stop the test and see the stats.
Sunday, 2 June 2013
Vagrant Script for compiling JDK 8 from source
I recently wanted to take a look at Java 8, without wanting to pollute my working environment. The JDK has a fair few dependencies that must be installed before it can be compiled. So I created the following Vagrantfile which I have chosen to share here.
Vagrant is a great wrapper for running virtual machines locally. After installing vagrant, to just type 'vagrant up' in the same directory as the following file and it will handle creating a 64bit Ubuntu VM locally, installing dependencies, checking out the head branch of JDK8 and compiling it.
After Vagrant has finished creating the VM, and compiling the JDK. You can log in to the Ubuntu instance by typing 'vagrant ssh' and from there you will be able to use the compiled JDK, make changes, recompile and so forth.
Vagrant is a great wrapper for running virtual machines locally. After installing vagrant, to just type 'vagrant up' in the same directory as the following file and it will handle creating a 64bit Ubuntu VM locally, installing dependencies, checking out the head branch of JDK8 and compiling it.
After Vagrant has finished creating the VM, and compiling the JDK. You can log in to the Ubuntu instance by typing 'vagrant ssh' and from there you will be able to use the compiled JDK, make changes, recompile and so forth.
# -*- mode: ruby -*- # vi: set ft=ruby : $checkoutAndCompileJDK = <<SCRIPT sudo vagrant cd ~ sudo apt-get update sudo apt-get install -y mercurial sudo apt-get install -y make sudo apt-get install -y unzip sudo apt-get install -y zip sudo apt-get install -y openjdk-7-jdk sudo apt-get install -y build-essential sudo apt-get install -y libX11-dev libxext-dev libxrender-dev libxtst-dev sudo apt-get install -y libcups2-dev sudo apt-get install -y libfreetype6-dev sudo apt-get install -y libasound2-dev sudo apt-get install -y ccache sudo apt-get install -y alsa sudo apt-get install -y cups sudo apt-get install -y xrender sudo apt-get install -y libpng12-dev sudo apt-get install -y libgif-dev sudo apt-get install -y libfreetype6 sudo apt-get install -y pkg-config hg clone http://hg.openjdk.java.net/jdk8/jdk8 jdk8 cd jdk8 bash ./get_source.sh bash ./configure make all SCRIPT Vagrant.configure("2") do |config| config.vm.box = "precise64" config.vm.box_url = "http://files.vagrantup.com/precise64.box" config.vm.provision :shell, :inline => $checkoutAndCompileJDK config.vm.provider :virtualbox do |vb| vb.customize ["modifyvm", :id, "--memory", "4096"] end end
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