Everything you wanted to know about threads but were afraid to ask
summary
Explains how the OS kernel schedules threads and how to measure kernel time spent on scheduling decisions, focusing on threads in Java. Covers multiple abstraction levels: thread pools, individual Java threads and their OS representations, schedulers, and thread-management strategies, highlighting potential performance problems at each level; ends with a brief mention of Project Loom.
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chapters (5)
- 0:00Introduction
- 10:23Thread and process basics
- 20:20Synchronization and performance
- 29:29Virtual threads and Project Loom
- 35:31Summary
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