EMQX Dedicated New Feature: Event History is available for private beta test. →
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A Developer's Journey with ESP32 and MQTT Broker
Jan 10, 2024Dekun Tao
A Developer's Journey with ESP32 and MQTT Broker

This article shares the journey of transforming a simple concept into a full-fledged technical solution, demonstrating how modern technology can ingeniously address real-life issues.

EMQX Performance Tuning: TCP SYN Queue and Accept Queue
Dec 15, 2023EMQX Team
EMQX Performance Tuning: TCP SYN Queue and Accept Queue

In some situations, even if the total number of MQTT connections on the current server has not reached the maximum limit of file descriptors, the client's connection request still fails, and we will observe the count of Overflowed and SYN Dropped continuously increasing in the OS.

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