mongos

NetEase Game Operations Platform

Apr 4, 2019 · Databases

Deep Dive into mongos Connection Model and Adaptive Thread Pools in MongoDB

This article explains how MongoDB's mongos router manages client‑to‑mongos and mongos‑to‑mongod connections, compares the default per‑connection‑per‑thread model with the adaptive thread‑pool introduced in version 3.6, details the internal traditional and ASIO connection pools, relevant configuration parameters, and provides practical guidance on interpreting connection‑pool statistics.