解决EMQX服务每过几个小时崩溃crash
Oct 28, 2024 · 2 min read · 问题场景 服务稳定运行一年多了，最近几天，每过几个小时就会发生crash，服务挂掉。 查看日志，有提示：[warning] Ranch acceptor reducing accept rate: out of file descriptors 大概是说文件描述符不足，这里需要按照文档来进行系统调优。机器安装时都是默认的，文件描述符 ulimit -n 查看为默认的 65536 💡 官方系统调优文档：系统调优 | EMQX文档 关键项为调整系统文件描述符，承载量大的话要多节点来组建集群 ...
Join discussionRunning EMQX MQTT Broker on Docker (Bonus: Clustering and Persistence)
Oct 23, 2024 · 6 min read · What Is MQTT on Docker? MQTT (Message Queuing Telemetry Transport) is a lightweight messaging protocol designed for low-bandwidth, high-latency networks. Docker is an open-source platform that allows you to automate the deployment, scaling, and manag...
Join discussionLeveraging IoT Data with MQTT Protocol and EMQX
Jun 28, 2024 · 3 min read · Introduction In the ever-evolving landscape of technology, the Internet of Things (IoT) stands out as a transformative force, driving innovation across various sectors. From smart homes to industrial automation, IoT is revolutionizing how we interact...
Join discussion
4 Reasons Why You Should Adopt MQTT in Unified Namespace
Sep 19, 2023 · 7 min read · In the last episode of the UNS series, we explained what UNS is and why it is essential for IIoT 4.0. MQTT technology is always a first choice regarding how to build a UNS. Readers unfamiliar with MQTT might be curious why it always appears with UNS ...
Join discussion
Understanding AWS IoT Core: Features, Use Cases & Quick Tutorial
Aug 16, 2023 · 11 min read · What Is AWS IoT Core? AWS IoT Core is a managed cloud service that lets connected devices interact with cloud applications and other devices. It can support a large volume of messages, and can process and route those messages to AWS endpoints and to ...
Join discussion
EMQX Cloud BYOC Now Available on AWS: Seamlessly Extend Your MQTT Infrastructure
Aug 16, 2023 · 3 min read · We are excited to announce that EMQX Cloud BYOC (Bring Your Own Cloud) is now available for deployment on AWS (Amazon Web Services). This significant milestone brings a new level of flexibility and convenience to our valued customers, allowing them t...
Join discussion
MQTT Performance Benchmark Testing: EMQX-MongoDB Integration
Aug 7, 2023 · 4 min read · Table of Contents Test Scenario Testbed Preparation Benchmark Results Wrapping up IoT scenarios often face challenges like a large number of devices, high data generation rates, and the huge accumulated data volumes. Therefore, how to access,...
Join discussion
Get Started with EMQX Cloud on Azure Marketplace
Aug 4, 2023 · 4 min read · Introduction After its successful launch on AWS Marketplace and Google Marketplace, we are excited to announce that EMQX Cloud is now available on Azure Marketplace with a convenient pay-as-you-go mode. Users can now easily subscribe to EMQX Cloud se...
Join discussion
A Deep Dive into Token-Based Authentication and OAuth 2.0 in MQTT
Jun 15, 2023 · 6 min read · This article delves into additional authentication methods beyond those covered in previous articles. Specifically, we will explore token-based authentication and OAuth 2.0, explaining their concepts and demonstrating their implementation in MQTT. To...
Join discussion