Tag: reliability

RabbitMQ consumer reliability

Table of Contents 1. Consumer confirmation 2. Failure retry mechanism 2.1. Failure handling strategy 3. Business idempotence 3.1. Unique message ID 3.2. Business judgment 3.3. Cover-up plan 1. Consumer Confirmation RabbitMQ provides a consumer confirmation mechanism (Consumer Acknowledgement). That is: when the consumer finishes processing the message, it should send a receipt to RabbitMQ to […]

RabbitMQ producer reliability

Table of Contents Problems that may arise when using MQ Producer reliability 1. Producer reconnection 2. Producer confirmation 3. Data persistence Switch persistence Queue persistence Message persistence LazyQueue lazy loading Problems that may occur when using MQ Lost while sending message: The producer failed to connect to MQ when sending messages Exchange was not found […]

Prevent message loss and message duplication – Kafka reliability analysis and optimization practice

Directory of series articles The first step to get started is to teach you step by step how to install kafka and the visualization tool kafka-eagle. What is Kafka and how to use SpringBoot to connect to Kafka Necessary capabilities for architecture-kafka selection comparison and application scenarios Kafka access principle and implementation analysis to break […]

RabbitMQ (4) Message Reliability

1. Message reliability analysis Take payment service as a case analysis Question 1: After deducting the balance and updating the payment status, the payment service will send a message to notify the transaction service of the updated status. If there is a network failure between the payment service and MQ, the message cannot reach MQ […]

Use guidance to improve the reliability and stability of large model output

This article was first published on the blog LLM Application Development Practice In complex LLM application development, especially when process orchestration and multiple LLM calls are involved, each Prompt design depends on the large model output of the previous step. How to avoid the “nonsense” of large language models and improve the reliability and stability […]

IPSec high reliability experiment: establishing IPSec tunnel through VRRP virtual address

Environmental description This experiment uses Huawei eNSP, and mainly uses three USG6000V firewalls to complete the experimental content. The two firewalls at the headquarters are configured with HRP and VRRP, and VRRP virtual addresses are used to establish IPSec tunnels with the branches. Topology map Configuration process 1. IP address omitted 2. Security zone configuration […]

How to ensure the message reliability of RabbitMQ?

Message queues are often used in project development to complete functions such as asynchronous processing, application decoupling, and flow control. Although the emergence of message queues solves problems in some scenarios, it also raises some problems. Among them, how to ensure the reliability of messages when using message queues is a common problem. If you […]

Practice RabbitMQ’s producer reliability implementation on Idea

Producer reliability implementation Article directory Producer reliability implementation Preface producer reliability Foreword When sending a message we may have thought that the message might be discarded. Starting from front to back according to the message transfer process, we start with the producer. It is possible for a producer to lose a message while sending it. […]

Network security–firewall bypass deployment methods and high reliability technology

Table of Contents 1. Firewall 2. Firewall bypass deployment method Implemented using policy routing The first step, IP address configuration Step 2: Configure routing Step 3: Create policies on the firewall Step 4: Use policy routing to divert traffic on R2 3. Firewall high reliability technology-HRP Topology The first step is to configure SW1, SW2, […]