Concurrency

Illustration of a tri‑color graph overlaying a heap memory diagram.

Implementing Concurrent Garbage Collection: A Deep Dive into Tri-Color Marking and Barrier Techniques

A practical guide to implementing concurrent garbage collection, covering tri‑color algorithms, barrier designs, and deployment tips for production systems.

Diagram of tri‑color marking stages overlaid on a memory heap.

Implementing Concurrent Garbage Collection: Deep Dive into Tri-Color Marking for Low-Latency Memory Management

A practical guide to building a concurrent garbage collector using tri‑color marking, covering core invariants, integration with JVM and Go runtimes, and real‑world performance tuning.

A server rack with glowing read/write arrows symbolizing data flow.

When Continuous Read Access Starves Your Background Writers

Explore how unchecked read loads starve background writers, the technical reasons behind the bottleneck, and practical mitigation techniques.

Diagram of a database snapshot with overlapping read transactions.

Why Snapshots Prevent Database Locking During Concurrent Reads

An in‑depth look at snapshot mechanisms, how they avoid locks, and practical examples for PostgreSQL, MySQL, and SQL Server.

A stylized lock with a reader and a writer silhouette.

When Reader-Writer Locks Leave Your Writers Starving

Reader‑writer locks promise high concurrency for reads but can silently starve writers. This post explains why, how to spot it, and practical fixes.