deepak

From bb2a78858cffa7c6937642986e9aca1a4f862c0d Mon Sep 17 00:00:00 2001
From: Ilya Grigorik <ilya@igvita.com>
Date: Thu, 10 Jun 2010 00:46:48 -0400
Subject: [PATCH] async rails3

---
 Gemfile                               |    6 ++++++
 app/controllers/widgets_controller.rb |    6 ++++++
 app/models/widget.rb                  |    2 ++
 config.ru                             |    1 +

deepak

#!/usr/bin/env ruby
#
# Find bloating passengers and kill them gracefully. Run from cron every minute.
#

# required for passenger since cron has no environment
ENV['HTTPD'] = 'httpd'

MEM_LIMIT = ARGV[0] || 500

deepak

# Used to graph results from autobench
#
# Usage: ruby autobench_grapher.rb result_from_autobench.tsv
#
# This will generate three svg & png graphs

require "rubygems"
require "scruffy"
require 'csv'
require 'yaml'

deepak

#! /bin/sh

### BEGIN INIT INFO
# Provides:          nginx
# Required-Start:    $all
# Required-Stop:     $all
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: starts the nginx web server
# Description:       starts nginx using start-stop-daemon

deepak

require 'logger'

class Logger
  class Formatter
    private
    def msg2str(msg)
      case msg
      when ::String
        "msg (pid: #{$$})"
      when ::Exception

deepak

# source: http://gist.github.com/452539
# thanks to EP on                          
# http://groups.google.com/group/phusion-passenger/
# browse_thread/thread/a3221e0e15adc1ec
# [logger per spawner] 

# add it to config/initializer in rails 
# tested with rails-2.3.5

# simply giving the pid in the config will not work as it will be the 

deepak

#!/usr/bin/env ruby

# NOTE: does not make sense to measure for large iterations, only as
# much as the logging being done on rails request, it is not as if on
# on a request 10K logging is done. With 50 logging statements i would
# prefer syslog
# NOTE: Also in buffered and syslog the
# log can get lost but logger is more reliable

# TODO: measure IO perf, if syslog logs on remote the io cost will be

deepak

#!/usr/bin/env ruby

# NOTE: does not make sense to measure for large iterations, only as
# much as the logging being done on rails request, it is not as if on
# on a request 10K logging is done. With 50 logging statements i would
# prefer syslog
# NOTE: Also in buffered and syslog the
# log can get lost but logger is more reliable

# TODO: measure IO perf, if syslog logs on remote the io cost will be

deepak

#!/usr/bin/env ruby

# NOTE: does not make sense to measure for large iterations, only as
# much as the logging being done on rails request, it is not as if on
# on a request 10K logging is done. With 50 logging statements i would
# prefer syslog
# NOTE: Also in buffered and syslog the
# log can get lost but logger is more reliable

# TODO: measure IO perf, if syslog logs on remote the io cost will be

deepak

# source: http://github.com/rtomayko/dotfiles/blob/rtomayko/.reerc

# baseline REE environment settings for server environments
# http://www.rubyenterpriseedition.com/documentation.html#_garbage_collector_performance_tuning

## ruby defaults
# RUBY_HEAP_MIN_SLOTS=10000
# RUBY_HEAP_SLOTS_INCREMENT=10000
# RUBY_HEAP_SLOTS_GROWTH_FACTOR=1.8
# RUBY_GC_MALLOC_LIMIT=8000000