Tweet
Tweet

Slide 1

Slide 1 text

Story Time Monday, October 1, 12

Slide 2

Slide 2 text

Story Time Monday, October 1, 12

Slide 3

Slide 3 text

Lazy Metrics var start = new Date(); $('img').load(function() { recordMetric("image-load", new Date() - start); }); Monday, October 1, 12

Slide 4

Slide 4 text

Lazy Metrics var start = new Date(); $('img').load(function() { recordMetric("image-load", new Date() - start); }); Monday, October 1, 12

Slide 5

Slide 5 text

Lazy Metrics var start = new Date(); $('img').load(function() { recordMetric("image-load", new Date() - start); }); Monday, October 1, 12

Slide 6

Slide 6 text

Server # /metrics?name=image-load&value=123.45 get '/metrics' do name = params['name'] value = params['value'] Metriks.timer(name).update(value) content_type 'text/javascript' status 200 end Monday, October 1, 12

Slide 7

Slide 7 text

Server # /metrics?name=image-load&value=123.45 get '/metrics' do name = params['name'] value = params['value'] Metriks.timer(name).update(value) content_type 'text/javascript' status 200 end Monday, October 1, 12

Slide 8

Slide 8 text

Server # /metrics?name=image-load&value=123.45 get '/metrics' do name = params['name'] value = params['value'] Metriks.timer(name).update(value) content_type 'text/javascript' status 200 end Monday, October 1, 12

Slide 9

Slide 9 text

Client Side Monday, October 1, 12

Slide 10

Slide 10 text

Story Time Monday, October 1, 12

Slide 11

Slide 11 text

Story Time Monday, October 1, 12

Slide 12

Slide 12 text

Lazy A/B Test <% if fast = [true, false].sample %> <% else %> <% end %> Monday, October 1, 12

Slide 13

Slide 13 text

Lazy A/B Test $('img').load(function() { name = "image-load<%= fast ? '-test' : '' %>" recordMetric(name, new Date() - start); }); Monday, October 1, 12

Slide 14

Slide 14 text

Lazy A/B Test $('img').load(function() { name = "image-load<%= fast ? '-test' : '' %>" recordMetric(name, new Date() - start); }); Monday, October 1, 12

Slide 15

Slide 15 text

Lazy A/B Test 10.5s 6.6s Monday, October 1, 12

Slide 16

Slide 16 text

New Relic 37ms Monday, October 1, 12

Slide 17

Slide 17 text

metriks 14ms 110ms Monday, October 1, 12

Slide 18

Slide 18 text

gem install metriks Thank me later. Monday, October 1, 12