Programmer Think

The installation and principles of kafka and zookeeper were mentioned in another blog post. I won't talk about this. I'll just talk about how to integrate kafka in spring boot project. In this article, I will mainly talk about two ways: Method 1: We use spring-integration-kafka, a plug-in of Kafka integration in spring. We mainly talk about ...

Introduction to ZooKeeper ZooKeeper(wiki，home，github ) is an open source distributed coordination service for distributed applications.By exposing simple primitives, distributed applications can build higher-level services on top of them, such as synchronization, configuration management, and group membership management.The design is easy to ...

Use tools: httpClient+jsoup Brief introduction: HttpClient is a sub-project under Apache Jakarta Common. It can be used to provide an efficient, up-to-date and feature-rich client programming toolkit supporting HTTP protocol, and it supports the latest version and recommendations of HTTP protocol. (From 360 encyclopedias, Wikipedia does not ...

11.1 Introduction to LAMP architecture11.2 Introduction to MySQL and MariaDB11.3/11.4/11.5 MySQL installationExtend mysql5.5 source compilation installation http://www.aminglinux.com/bbs/thread-1059-1-1.html mysql5.7 binary package installation (large change) http://www.apelearn.com/bbs/thread-10105-1-1.html 11.1 Introduction to ...

Recently, I had a leisure to explore ActiveMQ. ActiveMQ message queue, the container for sending and receiving information, functions as asynchronous message, traffic sharpening, application coupling.There are also Kafka, RabbitMQ, RocketMQ, ZeroMQ and MetaMQ. install Download address: http://activemq.apache.org/co... Double-click / bin/activem ...

Not original, turn from https://blog.csdn.net/backbug/article/details/78655664 Brief Introduction to commons-logging Introduction: Jakarta Commons-logging (JCL) is the earliest log facade interface provided by apache. Provides simple log implementation and log decoupling. JCL can choose whether to use Log4j (or other su ...

Mainly: Constant optimization path Automatic loading class Optimizing entry files Secure Access Project Directory File structure: ----------------------------------------------------------------------------------------------------------------------------------------------------- blog├─App_-Model ModelUserModel.class.php User Model Cl ...

First, build tables. ddl: create table testtb (id int,content string, country string) row format delimited fields terminated by '|' lines terminated by '\n' stored as textfile; Importing data 1. Importing sqoop in shell sqoop import --connect jdbc:mysql://localhost:3306/test --username root --password hehe --table testtb ...

1. Host Planning   Pillar document https://docs.saltstack.com/en/latest/topics/pillar/index.html   Matters needing attention If the master or minion configuration file is modified, the corresponding service must be restarted.   2. Grains VS Pillar   3. Pillar Basic Information 1 Pillar 2 Pillar data is the dynamic as ...

After Tomcat 8 or SpringBook integration Tomcat 8 is started, the request connection has been timed out and there is no log output on the back end, as follows: 09:34:24.654 [main] INFO org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainer - Tomcat started on port(s): 8888 (http) 09:34:24.658 [main] INFO com.wooooood ...