redstorm/examples/simple/local_word_count_topology.rb

28 lines
636 B
Ruby

require 'red_storm'
require 'examples/simple/random_sentence_spout'
require 'examples/simple/split_sentence_bolt'
require 'examples/simple/word_count_bolt'
class LocalWordCountTopology < RedStorm::SimpleTopology
spout RandomSentenceSpout, :id => 1, :parallelism => 5
bolt SplitSentenceBolt, :id => 2, :parallelism => 8 do
source 1, :shuffle
end
bolt WordCountBolt, :id => 3, :parallelism => 12 do
source 2, :fields => ["word"]
end
configure :word_count do |env|
debug true
max_task_parallelism 3
end
on_submit do |env|
if env == :local
sleep(5)
cluster.shutdown
end
end
end