Enjoyed this troubleshooting ‘war’ story from Booking.com
This particular journey relates to an issue we had on servers in our Distributed Load Balancing (DLB) service. The issue itself had nothing to do with load balancing, but the applicable knowledge gained was invaluable. The journey was worthwhile, as always.
Troubleshooting: A journey into the unknown : https://blog.booking.com/troubleshooting-a-journey-into-the-unknown.html