├── .gitignore
├── .ruby-version
├── .ruby-gemset
├── run-demo.sh
├── Gemfile
├── Gemfile.lock
└── demo.rb


/.gitignore:
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1 | priv/*
2 | 


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/.ruby-version:
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1 | ruby-2.0.0
2 | 


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/.ruby-gemset:
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1 | preact-hackathon
2 | 


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/run-demo.sh:
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1 | #! /bin/bash
2 | 
3 | time cat hackathon_dump.json | ruby demo.rb
4 | 


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/Gemfile:
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1 | source 'https://rubygems.org'
2 | 
3 | gem 'riak'
4 | gem 'redis'
5 | gem 'json'
6 | 


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/Gemfile.lock:
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 1 | GEM
 2 |   remote: https://rubygems.org/
 3 |   specs:
 4 |     ethon (0.6.1)
 5 |       ffi (>= 1.3.0)
 6 |       mime-types (~> 1.18)
 7 |     ffi (1.9.0)
 8 |     json (1.8.0)
 9 |     mime-types (1.25)
10 |     redis (3.0.4)
11 |     riak (0.0.1.pre)
12 |       typhoeus
13 |     typhoeus (0.6.5)
14 |       ethon (~> 0.6.1)
15 | 
16 | PLATFORMS
17 |   ruby
18 | 
19 | DEPENDENCIES
20 |   json
21 |   redis
22 |   riak
23 | 


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/demo.rb:
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 1 | require 'json'
 2 | require 'redis'
 3 | 
 4 | def redis
 5 |   @redis_client ||= Redis.new(:host => "192.168.1.10", :database => 7)
 6 | end
 7 | 
 8 | def riak
 9 |   @riak_client ||= Riak::Client.new(:nodes => [
10 |         {:host => 'ec2-50-16-172-76.compute-1.amazonaws.com'},
11 |         {:host => 'ec2-54-243-23-98.compute-1.amazonaws.com'},
12 |         {:host => 'ec2-54-221-81-11.compute-1.amazonaws.com'},
13 |         {:host => 'ec2-54-226-94-108.compute-1.amazonaws.com'},
14 |         {:host => 'ec2-184-72-173-119.compute-1.amazonaws.com'}
15 |       ])
16 | end
17 | 
18 | def process
19 |   people = {}
20 |   event_count = 0
21 |   people_counts = Hash.new(0)
22 | 
23 |   while line = gets
24 |     data = JSON.parse(line)
25 |     p = data["person"]
26 |     email = p["email"]
27 |     people[email] = p
28 |     people_counts[email] += 1
29 |     event_count += 1
30 |   end
31 | 
32 |   people_counts.sort_by{ |k,v| v * -1 }.each do |k,v|
33 |     puts "#{v}\t#{k}"
34 |   end
35 | 
36 |   puts "found #{people.count} total people"
37 |   puts "found #{event_count} total events"
38 | end
39 | 
40 | process
41 | 


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