The 5 AM Problem
Explore the 5 AM problem where distributed system servers hang daily due to network and database interactions. Learn how to diagnose these stability antipatterns using thread dumps and packet capture tools, and understand approaches to restore and maintain system uptime under real-world conditions.
We'll cover the following...
We'll cover the following...
Thirty server instances
One of the sites I launched developed a nasty pattern of hanging completely at almost exactly 5 a.m. every day. The site was running on around 30 different instances, so something was happening to make all 30 different application server instances hang within a five-minute ...