SpringBoot2 integrates ClickHouse database to achieve high performance data query and analysis

This article source code: GitHub. Click here || GitEE. Click here Introduction to ClickHouse 1. Basic Introduction Yandex open source data analysis database, named ClickHouse, is suitable for streaming or batch warehousing of sequential data. ClickHouse should not be used as a general database, but as a distributed real-time processing platfor ...

Posted on Tue, 08 Oct 2019 21:59:48 -0700 by ubersmuck

Simple Construction of SSM Integration Project

1. New Web Project 2. Add jar packages 3. Through reverse engineering, the corresponding entity and mapping files and interfaces are generated as follows 4. Create configuration files 4.1 spring configuration file (1) 4.1.1 Application Context-dao.xml (dao layer configuration file) <?xm ...

Posted on Tue, 08 Oct 2019 02:10:39 -0700 by trackz

Use of Druid Database Connection Pool

Use of Druid Database Connection Pool I. Basic use of Druid_ Druid: database connection pool implementation technology, provided by Steps: 1. Import the jar package druid-1.0.9.jar * Don't forget to import database-driven jar packages 2. Define the configuration file: * It's in the form of p ...

Posted on Mon, 07 Oct 2019 04:39:35 -0700 by emdee

druid database connection pool password encryption processing (official network)

Use ConfigFilter The functions of ConfigFilter include: Read the configuration from the configuration file Read configuration from remote http file Encryption for database passwords 1 ConfigFilter Configuration 1.1 Configuration file read from local file system <bean id="dataSource" class ...

Posted on Sun, 06 Oct 2019 15:21:14 -0700 by dtyson2000

Database Connection Pool C3p0 and Druid

Database connection pool 1. The database connection pool is a container. There are several connection objects in the container. We can use them directly and return them automatically after using them. It is a factory of physical data sources. DataSource interface 1. java.sql 2. getConnection(); ...

Posted on Wed, 02 Oct 2019 08:41:48 -0700 by tommix

Dynamic loading database connection pool

Background: For the problem of loading data sources that need to be configured in the database for SQL statements, it is impossible to load dynamically configured databases directly using external database connection pools. The simple way is to use JDBC to get configuration information separately t ...

Posted on Tue, 01 Oct 2019 18:11:56 -0700 by ajfton

Database Connection Pool Built by SSM Framework

Database connection pool built by SSM framework (3) Spring provides two such data sources (both in the org.springframework.jdbc.datasource package):DriverManagerDataSource: This class implements the javax.sql.DataSource interface, but it does not provide a mechanism for pooling connections. Each time getConnection() is called to get a new con ...

Posted on Tue, 24 Sep 2019 17:14:33 -0700 by zachatk1

SpringBoot Integrated Redis Cache

About Redis Cache Why use caching? Enhance the efficiency of accessing duplicate access data. Three uses of Redis Database, Cache, Message Middleware Redis scenario (for data that is accessed repeatedly) Page caching (static data such as pictures, CSS, html etc.) - hot spot data Latest List Ranking List Counter session storage Use Sugge ...

Posted on Tue, 17 Sep 2019 18:48:30 -0700 by denniston

vip saturn task scheduler uses: saturn upgrade to support sb2.x feeds

Wechat Public Number: Architect Front Line Original Statement: This article is originally created by the author. It refuses unauthorized reprinting of personal, media, public numbers or websites. Violators shall be held liable. Catalog Article ...

Posted on Tue, 17 Sep 2019 07:03:11 -0700 by supermars

Detailed configuration of spring-boot-plus

Public Configuration application.yml 👉 Official Full Configuration for SpringBoot Tomcat related configuration server: servlet: context-path: /api tomcat: max-threads: 1000 min-spare-threads: 30 uri-encoding: UTF-8 context-path: project access path max-threads:tomcat thread pool size setting min-spare-threads: number of to ...

Posted on Mon, 12 Aug 2019 09:13:30 -0700 by mjs87