Programming VIP

kubernetes version: 1.13.2 background Because of the redis cluster created by the operator, the redis cluster is deleted abnormally (including the redis exporter statefullset and redis statefullset) after the kubernetes APIs server is restarted. After deletion, the operator rebuilds and reorganizes the cluster, and the instance IP changes (mi ...

This is the first article introduced and used by gin. I. brief introduction Gin's official statement is as follows: Gin is a web framework written in Go (Golang). It features a martini-like API with much better performance, up to 40 times faster thanks to httprouter. If you need performance and good productivity, you will love Gin. Official ...

Note that if docker is installed in the virtual machine, the firewall can be closed first to avoid unknown problems. install If the docker version is too low, you can list the information of the software that contains the docker field by following commands # rpm -qa | grep docker Uninstall software us ...

In Elastic search 7.0, ES introduces field types of high-dimensional vectors: Dense_vector stores dense vectors. Value is a single float value, which can be zero, negative or positive. The maximum length of the dense_vector array can not exceed 1024. The array length of each document can be differen ...

1. Containerization With the advent of Docker, container technology has made a qualitative leap. Docker standardizes the infrastructure of services, unifies the packaging and distribution of applications, deployment and operating system-related class libraries, and solves the problem of environmental differences in test production deployment.F ...

Most people are tired of using old systems, both software and hardware. But sometimes they have to stick to it, insist on continuing the life of the system, or need a few pillars of incense to pray for the protection of God and Buddha. Linux is an excellent modular operating system, which benefits from it. When some components are out of date, ...

shell web monitoring script, the whole set is in it, decision rules changed several times, multiple combinations can see the old version, follow-up lazy to write new. Old version links: https://blog.51cto.com/junhai/2407485 This time there are three scripts, write down the process of implementation. The effect of calculating failure time is as ...

It is well known that Curl is not recommended in SWOLE applications because it blocks processes. This article will use actual code and data, in the most intuitive way, to let you understand why. Finally, Curl's solution in Swoole will be given. If you don't want to see the analysis, you can go straight to the end. Routine comparison Yu Run does ...

This is the last article in this series. We learned about the basic concepts of access control and the specific operations of authentication and authorization. In this article, we will learn more about service account in access control.   Kubernetes has the concepts of user and service account, which can be used to access resources. Users are ...

Zero. Preparing Knowledge 1) AOP related concepts: Aspect, Advice, Join point, Pointcut, Weaving, Target, etc. 　　ref: https://www.cnblogs.com/zhangzongle/p/5944906.html Code examples 2) Relevant notes: @Aspect,@Pointcut,@Before,@Around,@After,@AfterReturning,@AfterThrowing   I. Practical Objectives Functions of @Aspect 2)@Pointcu ...