serverless computing architecture

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Linux cloud computing cluster Architecture Study Notes: 1-1 rhel7 basic commands, Study Notes rhel7 1-3-RHEL7Basic commands 1.1LinuxTerminal introduction Shell prompt Bash Shell basic syntax. 1.2Use of basic commands: ls, pwd, and cd. 1.3View the system and BIOS hardware time. 1.4LinuxHow to get help, Linux shutdown command: shutdown, init, etc. 1.5Linux 7Startup level, set the server to automatically

: cpu/ Network performance loss within 10% , support for single-core and multi-core. The disadvantage is the scenario that is appropriate for the network I/O primary service (see figure 2-15). Figure 2-15 Lightweight FT principle1) Reliability Assurance technology across data centersReliability assurance technology across data centers is based on both synchronous and asynchronous disaster recovery of I/O replication of storage virtualization layer.Synchronous disaster recovery based on storage

memory space at run time　　Simply put, these libraries are meant to allow your program to compile and run properly.It acts like a. dll file in Windows. These shared libraries are required for almost all applications.Summary:· In most cases, the local administrator installs additional software under the/usr/local directory and signs the main execution program that is connected under/usr/local/bin. • All settings of the system are in/etc directory. • Do not modify any content in the root direc

;Importjava.util.List;@RestController @requestmapping ("User") Public classUsercontroller { @Reference PrivateUserService UserService; @RequestMapping ("Index") PublicListindex () {ListUserservice.getall (); System.out.println ("Client reads to data:" +All ); returnAll ; }}Here, you can see, is no longer using Autowire, but using reference annotations, is Dubbo inside.3. Note:Here's one thing to be aware of, the class of transmission, which must implementSerializable 接口, 表示支持序列化, 否则会报错的.Resu