Ops Development Stories

Aug 16, 2021 · Fundamentals

Tri-Color Marking Explained: Avoid GC Mis‑marks and Boost Java Performance

This article introduces the tri‑color marking algorithm used in Java garbage collectors, detailing the roles of white, gray, and black objects, the marking process, common pitfalls like mis‑marks, and solutions such as incremental updates and snapshot‑at‑the‑beginning techniques.