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load balancing The English name of Load Balance is Load Balance, which means that the load (work task) is balanced and distributed to multiple operating units for operation. In the distributed architecture, there must be multiple copies of a service background. At this time, the load balancing component is required to allocate the traffi ...

Zero. PrefaceThe account that has not logged in for a year has finally ushered in an update. After the postgraduate entrance examination, I didn't have fun, and immediately returned to the work of typing code. I haven't been exposed to coding for a year, and the level has decreased. Please forgive me.1, Problem recurrenceAfter installing nginx, ...

1, Nginx - Architecture 1. Nginx and Tomcat deployment Most of the contents of Nginx have been explained in the previous course. We all know that Nginx has very high performance in high concurrency scenarios and processing static resources. However, in actual projects, in addition to static resources, there are background business code mo ...

Nginx is a high-performance HTTP and reverse proxy server, as well as an IMAP/POP3/SMTP server. It is a lightweight Web server that can be deployed as an independent server (similar to Tomcat). Its advantage lies in its high performance and low memory consumption structure. download Download it first and go directly to the official website ng ...

Forward proxy Forward proxy refers to the proxy server (C) between the client (A) and the site server (B). In order to obtain resources from the site server (B), the client (A) sends A request to the proxy server (C) and specifies the site server (B), and then the proxy server (C) transfers the request to the site server (B) and returns the ob ...

1, Environment configuration There are two existing servers 10.168 103.110 (old server) and 10.168.103.111 (new server). Among them, 110 server has swarm cluster, a tracker and a storage. Now it needs to be a fastdfs cluster to meet the downtime of fastdfs on 110. Fastdfs on 111 server can be used normally. First, check the network condition ...

Recently, I was working on an openresty project. Every time I visit, I need to read redis through openresty to judge whether access can be allowed. Question: If you need to establish a connection with redis for each access, the number of connections will explode when the concurrency is large. Affect performance and system. Scheme I: In init ...

1, Nginx installation 1. Go to the official website http://nginx.org/ Download the corresponding nginx package. It is recommended to use a stable version 2. Upload nginx to linux system 3. Installation dependent environment (1) Install gcc environment yum install gcc-c++ (2) Installs the PCRE library for parsing regular expressions yum  ...

1. fastDFS fastDFS is an open source lightweight distributed file system developed in C language. It is generally used as a resource server 2. Main functions of fastdfs file storeFile synchronizationFile access (file upload | file download)It is especially suitable for online services based on documents (picture websites, video website ...

01,http&https HTTP (HyperText Transfer Protocol) is an application layer protocol for distributed, collaborative and hypermedia information systems. In short, it is a method of publishing and receiving HTML pages, which is used to transfer information between Web browsers and Web servers. HTTPS (Hypertext Transfer Protocol Secure) is a tr ...