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IX. spring integrates tomcat core 9.1 core ideas We may have questions. Both the spring MVC framework and the spring boot framework need to embed a Tomcat service middleware. Of course, it may also be Jetty. Since this article mainly talks about tomcat, we should ask what Tomcat did when it was started? <web-app> <listener> ...

Article catalog Message queue RocketMQ: (I) overview Message queuing RocketMQ: (II) system architecture Message queue RocketMQ: (III) sending ordinary messages (three methods) Message queue RocketMQ: (IV) sequential messages Message queue RocketMQ: (V) delay message Message queue RocketMQ: (VII) batch messages premise Create a Maven J ...

1, Nginx installation and configuration 1. Installation package (1) Version 1.6. 2 (Nginx can be used as Web server, reverse proxy server and mail server) (2) Source http://nginx.org/download/nginx-1.6.2.tar.gz //It can be downloaded locally and then transferred to centOS system, or it can be downloaded directly in Linux using wget 2. Installat ...

1, SpringCloud Stream In the previous article, we explained the function of config + bus to automatically refresh all service configurations. This article continues to explain the message driven Stream Last article address: https://blog.csdn.net/qq_43692950/article/details/122025347 Officially, Spring Cloud Stream is a framework for bui ...

0. Purpose The zookeeper single-node construction method is relatively simple, in practice, it is also generally used to set up a cluster. Due to resource constraints, you don't want to install too many virtual machines or docker, so you can simulate cluster building on one machine. 1. Download zookeeper and unzip Official download is go ...

1. Document summary Source address: https://github.com/apache/rocketmq Chinese documents: https://github.com/apache/rocketmq/tree/master/docs/cn Commercial edition: https://www.aliyun.com/product/rocketmq Official website translation: http://www.itmuch.com/books/rocketmq/ FAQ: http://rocketmq.apache.org/docs/faq/ RocketMQ common managemen ...

Configuration and parameter description Configuration parameters of consumer #If 'enable auto. If commit 'is true, the frequency (in milliseconds) that the consumer automatically submits to Kafka is offset, and the default value is 5000. spring.kafka.consumer.auto-commit-interval = 5000; #What to do when there is no initial offset in Kafka o ...

Theme mode The routing rules of direct switches are exactly matching BindingKey and RoutingKey, but this strict matching method can not meet the needs of actual services in many cases. topic switches extend the matching rules. Similar to direct switches, they also route messages to queues matching BindingKey and RoutingKey. However, the match ...

catalogue 1, Mycat application scenario 2, Mycat summary 3, Specific operation 1.master server: 192.168.68.200 2.slave server: 192.168.68.30 3.mycat server: 192.168.68.40 4. Client: 192.168.68.195 five   mycat server: 192.168.68.40 6.master server: 192.168.68.200 7. Client: 192.168.68.195 8. Verification On the master-slave ser ...

Get started with python Programming quickly (continuous update...) python crawler from entry to mastery Scrapy crawler framework 1. Understand the log information of the sweep (omitted) 2. Common configuration of scratch ROBOTSTXT_ Whether obey complies with the robots protocol. The default is compliance About robots protocol 1. In ...