20 Ruby Performance Tips
http://demo.gnit.tech/ja/resource/20-ruby-performance-tips-ja-2/
http://demo.gnit.tech/ja/resource/20-ruby-performance-tips-ja-2/
http://demo.gnit.tech/ja/resource/execution-plan-ja-2/
http://demo.gnit.tech/ja/resource/sharding-ids-instagram-ja-2/
http://demo.gnit.tech/ja/resource/100x-faster-postgres-performance-changing-1-line-ja-2/
http://demo.gnit.tech/ja/resource/top-elb-health-performance-metrics-ja-2/
http://demo.gnit.tech/ja/resource/performance-testing-using-jmeter-ja-2/
http://demo.gnit.tech/ja/resource/performance-testing-vs-load-testing-vs-stress-testing-ja-2/
http://demo.gnit.tech/ja/resource/overview-performance-testing-vsts-ja-2/
http://demo.gnit.tech/ja/resource/what-is-performance-testing-ja-2/
http://demo.gnit.tech/ja/resource/starting-performance-testing-metrics-use-ja-2/