Created
March 7, 2013 10:08
-
-
Save thehappycoder/5106953 to your computer and use it in GitHub Desktop.
celluloid and ObjectSpace.each_object
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
require 'celluloid' | |
class Child | |
include Celluloid | |
include Celluloid::Logger | |
def start(cycle, n) | |
info "#{cycle}:#{n} started..." | |
if n == 2 | |
Kernel.system('sleep', '15') | |
else | |
Kernel.system('sleep', '5') | |
end | |
info '' | |
info "#{cycle}:#{n} ended..." | |
end | |
end | |
class Master | |
include Celluloid | |
include Celluloid::Logger | |
def start | |
children = Child.pool(size: 2) | |
garbage_man = GarbageMan.new | |
cycle = 0 | |
while cycle != 5 do | |
cycle += 1 | |
garbage_man.collect | |
# garbage_man.collect! in order not to wait for the slow child#2 | |
info '#' * 20 | |
info "Running cycle ##{cycle}" | |
(1..2).each do |n| | |
children.start!(cycle, n) | |
end | |
sleep 10 | |
end | |
end | |
end | |
class GarbageMan | |
include Celluloid | |
include Celluloid::Logger | |
def collect | |
#debug 'Collecting garbage' | |
GC.start | |
#debug 'Done collecting garbage' | |
counts = Hash.new{ 0 } | |
debug 'Collecting info from ObjectSpace' | |
ObjectSpace.each_object do |o| | |
#debug "Collecting #{o.class}" if o.is_a?(Child) | |
counts[o.class] += 1 | |
#debug "Done for #{o.class}" if o.is_a?(Child) | |
end | |
debug 'Done collecting info' | |
counts = counts.sort {|a,b| b[1] <=> a[1] } | |
counts.each do |klass, count| | |
#info "#{klass} #{count}" | |
end | |
end | |
end | |
Master.new.start |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment