E-Ink News Daily

Back to list

Understanding Go's sync.Map from API to Hash Trie

This article explains Go's sync.Map internals, detailing how Go 1.24 switched its default implementation to an experimental hash trie and Go 1.26 made it official. The author walks through the evolution from a normal Go map to the hash trie design behind sync.Map.

Background

VictoriaMetrics published this as part of their Go concurrency series, covering sync primitives like Mutex, WaitGroup, Pool, and Cond in previous posts.

Source
Lobsters
Published
Aug 26, 2026 at 06:38 PM
Score
6.0 / 10