MySQL master-slave synchronization is a very mature architecture, the advantages are: ① from the server can perform the query (that is, we often say reading function), reducing the pressure on the main server; ② in the backup from the main server to avoid the impact of the backup Main server service; ③ When the main server problems, you can switch to the server. So I often use this program in the deployment and implementation of the project; In view of the mysql production environment rigor, I recommend Zhang fellow MySQL source compiled here. The fourth edition updated as follows: First, an increase of ...
Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest cloud host technology Hall in the current Internet business rapid development period, new products springing up, Old product line new business is also constantly breaking and trying. This puts forward higher requirements for rapid development iterations. First, the basic operating environment for the development of new products, must be able to quickly build a lamp structure. ...
August 13, Amazon AWS China Cloud solution architect Wang Yi, in the online training theme "How to build fault-tolerant apps with cloud platforms", tells us how to make the most of the features of the cloud platform in the system architecture. Learn how to do architecture design techniques and related information in a cloud platform such as AWS. To help us better review the relevant content of this training, learn how to design the cloud platform such as AWS skills and related information. CSDN organized the final QA of this training, as follows: Q1. Excuse me.
Wind Network (ithov.com) original article: In the process of managing Linux systems, for some important key documents, configuration files and important personal data, often do not want users to make arbitrary changes, this time we need to the file to protect the rights to prevent tampering with the file, We can change the properties of the file to 600. For example: [root@localhost/]# chmod 600/usr/local/webserver/nginx/conf/nginx.con ...
When it comes to big data, a lot of people are starting to focus on big data and Hadoop and data mining and data visualization, and I'm starting a business, and I've got a lot of questions about the companies and individuals that have come across a lot of traditional data industries to transition to Hadoop, and most of them are similar. So I want to sort out some of the issues that may be of concern to many people. What about the Hadoop version? So far, as a half foot forward to the Hadoop gate, I suggest that you choose the Hadoop 1.x. Many people may say, Had ...
Relative to structured data (the data is stored in the database, it is possible to use two-dimensional table structure to express the implementation data logically, the data that is not convenient to use the database two-dimensional logical table to represent is called unstructured data, including all format Office documents, text, picture, XML, HTML, various kinds of reports, images and audio/ Video information and so on. An unstructured database is a database with a variable field length and a record of each field that can be made up of repeatable or repeatable child fields, not only to handle structured data (such as numbers, symbols, etc.), but also ...
The intermediary transaction SEO diagnoses Taobao guest cloud host technology Hall Anhui Internet Alliance hosts the Thousand Person stationmaster lecture (http://www.53w.net) already to the 36th period, this issue guest Mao Wei Taihu Lake Pearl Network technical director, the very war net founder, the Chief network management, two Quan Net co-founder, one, the Taihu Lake Pearl Net ( thmz.com) is a comprehensive regional portal for providing full Internet (Internet) services in Wuxi and surrounding areas. Wuxi is the external publicity window, but also the outside world to understand the most ...
Harbin University of Technology information construction to serve the general teachers and students for the purpose of the implementation of the digital campus construction project, the implementation of the hardware cluster, data concentration, application integration and information standardization, the corresponding management has achieved remarkable results. All along, the school has only provided limited function hosting or space hosting services to departments, administrative units, laboratories and research institutes, and is not open to students and teachers in schools. If you want to make a personal website, you can only rent server resources outside the public network, involving the record, domain name and many other operations, not only high prices, increased the economic negative of teachers and students ...
"Editor's note" with support for the widely used JSON data interchange format, the emergence of a new version of the PostgreSQL open source database marks its goal of pointing to the growing NoSQL market for relational data storage, especially the mongodb of popularity. Now, Enterprisedb has launched a free turnkey development environment that will make it easy for programmers to build Web applications with PostgreSQL's new NoSQL features. The following is the original: Enterprise-class number of PostgreSQL ...
Cloud computing has been a household name for some time, and many positive energies are driving the http://www.aliyun.com/zixun/aggregation/13760.html "> Apps to Cloud." Of course, when you move an application to the cloud, you can't access the entire application. Because many applications must be kept within the enterprise, such as user authentication, data services, data integration, and so on. Here's a list of the 10 most noticeable points of enterprise application to cloud: Security ——...
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