deepak’s gists

deepak / require_benchmarks.rb

Created July 6, 2010 12:00 — forked from alexyoung/require_benchmarks.rb

	require 'benchmark'

	module Kernel
	alias old_require require

	def require(path)
	#unless caller.find { \|caller_line\| caller_line.match /dependencies\.rb/ }
	# return old_require(path)
	#end

deepak / require_tracking.rb

Created July 6, 2010 12:52 — forked from eric/require_tracking.rb

	#
	# Created by Eric Lindvall <[email protected]>
	#
	# WHAT: Provides a simple overview of memory allocation occuring during a
	# require.
	#
	# For a longer explanation, see my post at:
	#
	# http://bitmonkey.net/post/308322913/tracking-initial-memory-usage-by-file-in-ruby
	#

deepak / require_tracking.rb

Created July 6, 2010 14:17

	# ACK:
	# modified from
	# http://gist.github.com/264496
	# http://gist.github.com/465293

	# USAGE:
	# 1) > ruby -rrequire_tracking -e "require 'active_support'"
	# 2) put in config/preinitializer.rb

	# WHAT: Provides a simple overview of memory allocation occuring

deepak / require_tracking.rb

Created July 6, 2010 14:17

Gather memory usage per files required and the time taken - useful to reduce startup time

	# ACK:
	# modified from
	# http://gist.github.com/264496 by github.com/eric
	# http://gist.github.com/465293 by github.com/alexyoung

	# USAGE:
	# 1) > ruby -rrequire_tracking -e "require 'active_support'"
	# 2) put in config/preinitializer.rb

	# WHAT: Provides a simple overview of memory allocation occuring

deepak / foo.rb

Created July 21, 2010 13:03

	# using memcache hosted on other-than localhost:11311 - needs better documentation

	Rails::Initializer.run do \|config\|
	config.cache_store = :mem_cache_store, '72.14.x.y:11311'

	ActionController::Base.session = {
	:key => '_foo_session',
	:secret => 'secret',
	:memcache_server => '72.14.x.y:11311'
	}

deepak / foo.rb

Created July 21, 2010 13:03

configure memcache on rails (hosted on other-than localhost:11311)

	# using memcache hosted on other-than localhost:11311 - needs better documentation

	Rails::Initializer.run do \|config\|
	config.cache_store = :mem_cache_store, '72.14.x.y:11311'

	ActionController::Base.session = {
	:key => '_foo_session',
	:secret => 'secret',
	:memcache_server => '72.14.x.y:11311'
	}

deepak / mon_passenger.sh

Created July 28, 2010 06:32

collectd plugin to monitor passenger

	#!/bin/bash
	# collectd plugin to monitor passenger
	# has better memory-requirement than a ruby script
	# TODO: try writing it in c - if it makes a difference

	HOSTNAME="production-host-01"
	INTERVAL="${COLLECTD_INTERVAL:-10}"
	PLUGIN_NAME="passenger_status"

	while sleep "$INTERVAL"

deepak / gem_make.out

Created July 30, 2010 06:11

stacktrace while installing memprof on a 32bit os (ubuntu 9.10) on a 64 bit cpu (interl core2 duo)

	/home/deepak/.rvm/rubies/ree-1.8.7-2010.01/bin/ruby extconf.rb
	checking for main() in -lyajl_ext... yes
	checking for json/json_gen.h... yes
	checking for gelf_getshdr() in -lelf_ext... yes
	checking for main() in -ldwarf_ext... yes
	checking for mach-o/dyld.h... no
	creating Makefile

	make
	gcc -I. -I/home/deepak/.rvm/gems/ree-1.8.7-2010.01/gems/memprof-0.3.5/ext/dst/include -I/home/deepak/.rvm/gems/ree-1.8.7-2010.01/gems/memprof-0.3.5/ext/dst/include -I. -I/home/deepak/.rvm/rubies/ree-1.8.7-2010.01/lib/ruby/1.8/i686-linux -I. -DHAVE_JSON_JSON_GEN_H -DHAVE_ELF -DHAVE_DWARF -D_ARCH_i686_ -D_FILE_OFFSET_BITS=64 -fPIC -g -O2 -o tramp.o -c tramp.c

deepak / json_generation.rb

Created July 30, 2010 08:48

benchmark json generation and parsing in rails/ruby

	#!/usr/bin/env ruby

	require 'benchmark'
	require 'rubygems'
	require 'nokogiri'
	require 'yajl'

	require 'active_support'
	ActiveSupport::XmlMini.backend='Nokogiri'
	require 'active_resource'

deepak / console warnings

Created August 27, 2010 08:42

rails 2.3.5 console warnings

	deepak@octo:~/src/work/entsupport$ ruby -dw ./script/console
	Exception `LoadError' at /home/deepak/.rvm/rubies/ree-1.8.7-2010.02/lib/ruby/site_ruby/1.8/rubygems.rb:1113 - no such file to load -- rubygems/defaults/operating_system
	Exception `LoadError' at /home/deepak/.rvm/rubies/ree-1.8.7-2010.02/lib/ruby/site_ruby/1.8/rubygems.rb:1122 - no such file to load -- rubygems/defaults/ruby
	Exception `LoadError' at /home/deepak/.rvm/rubies/ree-1.8.7-2010.02/lib/ruby/site_ruby/1.8/rubygems/config_file.rb:50 - no such file to load -- Win32API
	Exception `LoadError' at /home/deepak/.rvm/rubies/ree-1.8.7-2010.02/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31 - no such file to load -- ruby-debug
	Exception `LoadError' at /home/deepak/.rvm/rubies/ree-1.8.7-2010.02/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31 - no such file to load -- methodsig
	Exception `LoadError' at /home/deepak/.rvm/rubies/ree-1.8.7-2010.02/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:38 - no such file to load -- methodsig
	Exception `

Deepak Kannan deepak