Improving Coursera Global Site Performance: A Head-to-Head CDN Battle With Production Traffic

Frank Chen, Brennan Saeta (Infrastructure Engineering @ Coursera)

In order to fulfill our mission of universal access to the world’s best education, our learning platform must be fast and reliable throughout…

CPU Frequency Scaling

Modern CPUs on high-end, general purpose servers usually allow “CPU frequency scaling”. This feature enables the operating system to control the CPU frequency to achieve various goals, such as performance or power saving. Recently, I optimized the latency of a large query on our graph…

No. Transactions Per Hour

Make Your Performance Criteria More Manageable

โปรดักท์ โอนเนอร์เดินมาคุยกับเราเรื่องประสิทธิภาพของระบบอีคอมเมิร์สที่เค้าดูแลอยู่

Stress Testing and the Various Tools Used

Software testing is one of the most important parts of the software development life cycle which determines the…

Scrolling performance hack with Chrome dev tool

About Chrome dev tool

In Chrome, use command: Ctrl + Shift + I (Cmd + Alt + I on Mac), and here you are, the Chrome dev tool.

How To Create The Most Accurate Load Test.

We’ve recently released HP Performance Center version 12.5
Let’s dive into a detailed…

Load Testing แบบเบสิคด้วย Apache JMeter (ตอนที่ 4)

(เผยแพร่ครั้งแรกที่ [email protected])

Load testing ก่อนและหลังทำ code optimization

The most accurate load test, zero time.

The main goal of a performance engineer is to create a load…

Using T-tests to benchmark page load performance