Programmer Think

OB Jun: good news! "Oceanbase version 2.2" is officially launched on the official website! (click to read the original text and download it directly) OceanBase 2.2 is a stable version that successfully supports tmall double 11 in 2019, and it is also the version used for TPC-C testing and ranked first in TPC-C performance. We will con ...

I collated Java advanced materials for free, including Java, Redis, MongoDB, MySQL, Zookeeper, Spring Cloud, Dubbo high concurrency distributed and other tutorials, a total of 30G, which needs to be collected by myself.Portal: https://mp.weixin.qq.com/s/osB-BOl6W-ZLTSttTkqMPQ For the common design modules in the microservice architecture, w ...

Article directory The role of @ profile 2 two ways to activate the environment Source address of demo of this bloghttps://github.com/suchahaerkang/spring-annotation.git The role of @ profile @Function of Profile: switch between different environments, and register different components to the con ...

Write before SpringBoot is easy to create projects, and data access throws away a lot of tedious configuration. In the previous series of blogs, I've taught you how to use SpringBoot for data access. It talks about integrating JDBC, MyBatis, and JPA.In my own actual development, I am more used to usin ...

The Spring Boot or Spring Cloud-based micro-service system is the mainstream in the current situation of prevailing micro-services, and is also the new direction of selection in the current business scenario. Using Spring Boot to integrate jOOQ is relatively simple compared to using Spring directly ...

1. Introduction to sqoop: Sqoop is an open source tool, mainly used in Hadoop(Hive) and traditional databases (mysql, postgresql ) Data can be transferred from one relational database (such as mysql, Oracle, Postgres, etc.) to another Data can be imported into HDFS of Hadoop or into relational database. ...

First read the quick start of the official website, then build it yourself. The result is various errors and pits.Record it. 1. Environment A virtual machine, a cloud server, a local Mac (because mysql is installed on the cloud server and locally, or you can use the virtual machine entirely, just look at yourself), mycat is deployed on the virt ...

Preface After a noisy day, problems such as too many redirects to visit the Druid login interface and no login interface can be seen are finally solved. Let's go through how to integrate Druid on native JDBC. 1, Create a new project integrating JDBC data sources [1] Introduction of starter [2] Confi ...

1. Import Maven coordinates <dependencies> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context</artifactId> <version>5.0.2.RELEASE</version> </dependency> <de ...

introduce Druid is first a database connection pool. Druid is the best database connection pool at present, surpassing other database connection pools in function, performance and scalability. Druid has deployed more than 600 applications in Alibaba, which has passed the severe test of large-scale deployment of production environment for more t ...