skaes

/usr/local/bin/siege -c 2000 http://a.b.c.d:9000/
** SIEGE 3.0.8
** Preparing 2000 concurrent users for battle.
The server is now under siege...*** buffer overflow detected ***: /usr/local/bin/siege terminated
======= Backtrace: =========
/lib/x86_64-linux-gnu/libc.so.6(__fortify_fail+0x37)[0x7f059b2cbe67]
/lib/x86_64-linux-gnu/libc.so.6(+0x109d60)[0x7f059b2cad60]
/lib/x86_64-linux-gnu/libc.so.6(+0x10ae1e)[0x7f059b2cbe1e]
/usr/local/bin/siege[0x410e20]
/usr/local/bin/siege[0x405ad4]

skaes

/*
 * connections: n_w = NUM_WRITERS, n_p = NUM_PARSERS, "<" = connect, "o" = bind
 *
 *                            controller
 *                                |
 *                              PIPE
 *              PUSH    PULL      |        PUSH       PULL
 *  subscriber  o---------->  parser(n_p)  <-------------o  request_writer(n_w)
*/

skaes

./miniruby -I./lib -I. -I.ext/common  ./tool/runruby.rb --extout=.ext  -- --disable-gems "./test/runner.rb" --ruby="./miniruby -I./lib -I. -I.ext/common  ./tool/runruby.rb --extout=.ext  -- --disable-gems" 
/Users/skaes/src/ruby/lib/drb/ssl.rb:79:in `public_key': OpenSSL::PKey::RSAError
	from /Users/skaes/src/ruby/lib/drb/ssl.rb:79:in `setup_certificate'
	from /Users/skaes/src/ruby/lib/drb/ssl.rb:148:in `open_server'
	from /Users/skaes/src/ruby/lib/drb/drb.rb:759:in `block in open_server'
	from /Users/skaes/src/ruby/lib/drb/drb.rb:757:in `each'
	from /Users/skaes/src/ruby/lib/drb/drb.rb:757:in `open_server'
	from /Users/skaes/src/ruby/lib/drb/drb.rb:1342:in `initialize'
	from /Users/skaes/src/ruby/test/drb/test_drbssl.rb:33:in `new'
	from /Users/skaes/src/ruby/test/drb/test_drbssl.rb:33:in `<class:DRbSSLService>'

skaes

#!/usr/bin/env ruby

require 'rubygems'
require 'bunny'

# Chris Doherty, confused by Bunny::Queue#subscribe semantics.
# run with `ruby bunny_test.rb load` followed by `ruby bunny_test.rb consume`.

class BunnyTest

skaes

$ bundle install
Fetching git://github.com/skaes/logjam_logger.git
remote: Counting objects: 53, done.
remote: Compressing objects: 100% (53/53), done.
remote: Total 53 (delta 23), reused 0 (delta 0)
Receiving objects: 100% (53/53), 7.32 KiB, done.
Resolving deltas: 100% (23/23), done.
Fetching source index for http://rubygems.org/
/Users/stefan.kaes/.rvm/rubies/ruby-1.8.7-p334/lib/ruby/site_ruby/1.8/rubygems/user_interaction.rb:502:in `update_display': undefined method `tty?' for nil:NilClass (NoMethodError)
	from /Users/stefan.kaes/.rvm/rubies/ruby-1.8.7-p334/lib/ruby/site_ruby/1.8/rubygems/user_interaction.rb:478:in `fetch'

skaes

# fix a bug in rack (more a brainfuck actually)
config.to_prepare do
  ::Rack::Utils::HeaderHash.class_eval <<-_EVA_
      def [](k)
        super(@names[k] || @names[k.downcase])
      end
    _EVA_
end

skaes

  # try to fix broken string encodings. most of the time the string is latin-1 encoded
  if RUBY_VERSION >= "1.9"
    def safe_h(s)
      h(s)
    rescue ArgumentError
      raise unless $!.to_s == "invalid byte sequence in UTF-8"
      logger.debug "#{$!} during html escaping".upcase
      begin
        h(s.force_encoding('ISO-8859-1').encode('UTF-8', :undef => :replace))
      rescue ArgumentError

skaes

require 'rubygems'
require 'mongo'
require 'benchmark'

conn = Mongo::Connection.new
db = conn.db("mydb")
coll = db["test"]

# time = Benchmark.realtime do
#   1_000_000.times do

skaes

#!/bin/sh -e
process=$1
commands=`mktemp -t gdb.XXXXXXXXXX`
cat > $commands << '_EOF_'
if during_gc == 1
  x/s "cannot backtrace during gc"
else
  set $stack = (VALUE)backtrace(-1)
  set $count = (int)rb_fix2int(rb_ary_length($stack))
  set $index = 0

skaes

require 'rubygems'
require 'benchmark'
require 'uuid4r'
require 'uuidtools'

log = false

iterations = (ARGV.shift || 1_000_000).to_i

puts "# of iterations = #{iterations}"