System Design Patterns: From Fundamentals to Real Systems

0% completed

​

CDN

1. The Incident

The store launches in Australia. The marketing works; the site doesn't. Sydney customers report page loads of six seconds: for pages that load in 400 ms from the office in Virginia, where the servers live.

Engineering investigates and finds... nothing wrong. Origin response time: 20 ms. No errors, no saturation. The six seconds are made of something no dashboard shows: distance. Sydney to Virginia is ~200 ms round trip: the arithmetic lesson's "an ocean has a price," paid in full

.....

.....

.....

Like the course? Get enrolled and start learning!