eric

# NewRelic instrumentation for ThinkingSphinx
if defined? ActiveRecord
  ActiveRecord::Base.class_eval do
    class << self
      add_method_tracer :search, 'ActiveRecord/#{self.name}/search'
      add_method_tracer :search, 'ActiveRecord/search', :push_scope => false
      add_method_tracer :search, 'ActiveRecord/all', :push_scope => false

      add_method_tracer :search_count, 'ActiveRecord/#{self.name}/search_count'
      add_method_tracer :search_count, 'ActiveRecord/search_count', :push_scope => false

eric

Thread ID: 9261400
Total: 250423 Kb

    self       calls  name
   55060 Kb   215738  God::Logger#log
                       via Object#applog
   54357 Kb   431476  String#%
                       via God::Logger#log
   28095 Kb   359580  <Class::Time>#allocate
                       via <Class::Time>#now

eric

class MemoryPrinter < RubyProf::AbstractPrinter
  # Print a flat profile report to the provided output.
  # 
  # output - Any IO oject, including STDOUT or a file. 
  # The default value is STDOUT.
  # 
  # options - Hash of print options.  See #setup_options 
  #           for more information.
  #
  def print(output = STDOUT, options = {})

eric

 > ps auxww | grep timeout-test ; sleep 1 ; ps auxww | grep timeout-test
eric     29741 92.1  5.2  66660 27444 pts/4    R+   20:50   0:38 ruby timeout-test.rb
eric     29741 92.2  5.2  66656 27708 pts/4    R+   20:50   0:39 ruby timeout-test.rb
 > ps auxww | grep timeout-test ; sleep 5 ; ps auxww | grep timeout-test
eric     29741 92.9  5.5  68704 29220 pts/4    R+   20:50   0:45 ruby timeout-test.rb
eric     29741 93.1  5.8  69728 30456 pts/4    R+   20:50   0:50 ruby timeout-test.rb
 > ps auxww | grep timeout-test ; sleep 5 ; ps auxww | grep timeout-test
eric     29741 92.3  5.9  70756 31340 pts/4    R+   20:50   0:53 ruby timeout-test.rb
eric     29741 92.4  6.2  71776 32528 pts/4    R+   20:50   0:58 ruby timeout-test.rb
> ruby -v

eric

Thread ID: 16553080
Total: 33 Kb

    self       calls  name
      32 Kb        1  <Module::Timeout>#timeout
       0 Kb        3  Kernel#sleep


Thread ID: 9213520
Total: 114473 Kb

eric

$:.unshift "#{File.dirname(__FILE__)}/lib"

require 'ostruct'
require 'god'

God::Logger.syslog = false

templogio = StringIO.new
templogger = God::SimpleLogger.new(templogio)

eric

# This relies on god 0.7.22 or later.
#
# Restart god when it reaches 40MB
if defined?(ORIGINAL_ARGV)
  Thread.new do
    loop do
      memory_usage = God::System::Process.new(Process.pid).memory # in kilobytes

      if memory_usage > 40.megabytes
        applog(nil, :info, "Stopping god server. Memory usage limit reached: #{memory_usage}kb")

eric

# Want to use your own storage-conf.xml instead of the one included with
# the cassandra gem?
#
# Copy files from <cassandra-gem-root>/conf to a directory
# in your project ("cassandra/conf" is used in this example).
#
# Then run "rake cassandra"
#

CASSANDRA_HOME = "#{ENV['HOME']}/cassandra/server"

eric

#!/usr/bin/env ruby

# Riddle at http://bt.tumblr.com/post/212634688
# Moved to http://bt.tumblr.com/post/212669579


translation = Hash[*('a'..'z').zip(('a'..'z').to_a.reverse).flatten]
translation.each { |k,v| translation[k.upcase] = v.upcase }

puts DATA.read.gsub(/./) { |c| translation[c] || c }

eric

#!/usr/bin/env ruby

# Riddle at http://bt.tumblr.com/post/202253034

# Lower case letters
letters            = ('a'..'z').to_a
translated_letters = letters.dup
12.times { translated_letters.push translated_letters.shift }

# Upper case letters