What is heterogeneous data processing? Simply put, in order to satisfy the expansion of our business, data is transformed from a specific format to a new data format.
Why does this need arise?
In traditional enterprises, data are mainly stored in relational databases, such as MySQL, but in order to meet the expansion of demand, the dimension ...
Posted by matthewhaworth on Mon, 14 Oct 2019 20:01:35 -0700
< font color = Red > No reprinting, no handling </font >
First, the browser can not open blog.jd.com: DNS has been configured, the ultimate reason: this graphical CentOS7 uses dncp to obtain ip, DNS also access the gateway; Solution: Fixed IP, set DNS manually, and confirm / etc/reslov.conf
Two, NFS permissi ...
Posted by Cut on Mon, 14 Oct 2019 10:11:20 -0700
This paper uses Sharding-JDBC to realize read-write separation based on entOS 7 + MySQL 5.7
I. MySQL Installation and Configuration
Execute orders in turn:
sudo wget -i -c http://dev.mysql.com/get/mysql57-community-release-el7-10.noarch.rpm
sudo yum -y install mysql57-community-release-el7-10.noarch.rpm
sudo yum ...
Posted by dagee on Mon, 14 Oct 2019 08:53:24 -0700
How Kubernetes manages storage resources.
First we will learn about Volume and how Kubernetes provides storage for containers in clusters through Volume; then we will practice several commonly used Volume types and understand their respective application scenarios; finally, we will discuss how Kubernetes separates cluster administrators from c ...
Posted by mbeals on Mon, 14 Oct 2019 06:14:07 -0700
For the application scenario of "nearby people" in the field of location-based services, many spatial indexes such as PG, MySQL and Mongo DB can be used to implement it. Redis, which combines its ordered queue zset and geohash coding, achieves the function of spatial search and has a very high operational efficiency. This pap ...
Posted by reidme on Mon, 14 Oct 2019 03:14:34 -0700
Blog Building Based on Al egg Framework (1) - Development PreparationsBuilding Blog Based on Al egg Framework (2) - Hello WorldBuilding Blog Based on Al egg Framework (3) - Registration and LoginBlog Building Based on Al egg Framework (4) - Privilege ControlBuilding Blog Based on Al egg Framework (5) - Top Navigation BarBuildin ...
Posted by synted on Mon, 14 Oct 2019 00:11:37 -0700
MinBox Logging is a distributed, zero-intrusion link log analysis framework, which supports configuration and use under Spring Cloud micro-service architecture. It encapsulates RestTemplate and OpenFeign to transmit link information.
MinBox Logging does not need to use annotation configuration to collect link logs, ...
Posted by Syntax on Sun, 13 Oct 2019 20:59:20 -0700
Following up the following article: Backup database for introduction to MySQL database
Installation environment instructions
[root@~]# cat /etc/redhat-release
CentOS release 6.5 (Final)
[root@~]# uname -r
Because it is a simulated environment, the master and slave libraries are on the same se ...
Posted by likethegoddess on Sun, 13 Oct 2019 20:22:25 -0700
In previous blogs in this series, we have never explained how to operate databases, but in practical work, almost all systems are inseparable from data persistence, so it is very important to master how to operate databases.
There are many ways to operate databases in Spring. We can use JDBC, Hibernate, MyBatis or other data persistence framewo ...
Posted by kippi on Sun, 13 Oct 2019 18:45:33 -0700
Again, data domains, Shiro, and connectors for secure data are like jdbc connecting to databases; getting information about authentication and authorization through realm
Shiro retrieves security data from Realm
The default home realm:
idae looks at realm inheritance relationships with default implementations a ...
Posted by Gappa on Sun, 13 Oct 2019 11:11:33 -0700