Discover the value of understanding the internals of your programming language, as illustrated by Instagram engineers who identified and fixed a memory usage issue in their production systems. The investigation led them to the CoW mechanism in Linux and eventually to a fix in the CPython runtime.
Table of contents
The Case of Instagram’s Spiking Memory UsageBehind the Scenes: Instagram’s Web Server ArchitectureForking Processes and the CoW MechanismPython Runtime and How it Manages MemoryThe Fix: Immortal ObjectsConclusion: The Value of Digging DeeperResourcesSort: