• App – on app network deep optimization and network security


    preface When it comes to app optimization, we can also optimize it in many aspects, such as package size, page fluency, memory occupation, data cache, network data security, etc. to optimize and strengthen our app, there are many things to be done at each point. I wrote a blog about app performance optimization before, as […]

  • Common code of asp.net to calculate website visits


    Front desk Code:<%@ Page Language=”C#” AutoEventWireup=”true” CodeFile=”Default.aspx.cs” Inherits=”_Default” %> <!DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Transitional//EN” “http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd”> <html xmlns=”http://www.w3.org/1999/xhtml” > <head runat=”server”> < title > Untitled Page </head> <body> <form id=”form1″ runat=”server”> <div> <table style=”width: 269px; height: 75px”> <tr> <td align=”center” style=”font-weight: bold; font-size: 30px; width: 237px; color: lime; background-color: gray;”> Traffic transaction Website visits</td> […]

  • Sentinel go integrates Nacos to realize external dynamic data source


    Introduction:In 2020, sentinel will launch the native version of goSentinel-GolangAnd continue to make breakthroughs in the cloud native field. This paper will explain how to integrate in sentinel golang with a caseNacosAs an external dynamic data source, the flow control rules are stored in Nacos, and the rules are dynamically updated in real time. This […]

  • Spring cloud Alibaba series (6) practical application of sentinel


    1、 Persistent configuration of sentinel In the previous chapter, we used dashboard to set various rules for sentinel clients, but these rules are stored in memory by default, which is extremely unstable and cannot be used in the generation environment, so we need to persist them. DataSourceThe common implementation methods of extension are as follows: […]

  • K8s native serverless practice: ask and knative


    By Li Peng (Yuan Yi)Source|Serverless official account 1、 Why knative K8s has become the mainstream operating system in the cloud native marketfit one into the otherExpose infrastructure capabilities through data abstraction, such as service, ingress, pod, deployment, etc., which are exposed to users through k8s native API; andRight downK8s provides some standard interfaces for infrastructure […]

  • How to improve the happiness of micro service?


    Introduction:With the popularity of microservice, more and more companies use microservice framework. Microservice, with its high cohesion, low coupling and other characteristics, provides better fault tolerance and adapts to the rapid iteration of business, which brings a lot of convenience to developers. However, with the development of business, the splitting of micro services becomes more […]

  • Six steps of stability support: operational guide of high availability system!


    Introduction: every year there is a big promotion, and everyone is familiar with the word “big promotion stability guarantee”. Although the business scenarios are different, the “routine” often leads to the same goal. The whole link voltage measurement, capacity evaluation, current limiting, emergency plans, etc. come and go, there are always so many things to […]

  • Exploratory guide to service grid platform


    The transition to microservice faces a series of challenges. If we think that the architecture, design and development of microservices are very complex, so are the deployment and management of them. Developers need to ensure that cross service communication is secure. They also need to implement distributed tracing to tell how long each call takes. […]

  • High pressure grid of 2 small artifact, with good flow monitoring don’t worry!


    In the daily operation and maintenance environment, we will definitely meet the following requirements: 1. Network traffic is abnormal, do not know which program traffic explosion? 2. Daily need to monitor network real-time traffic data Interview series this article, let the operation and maintenance monitoring no longer become your short board! Learn these 18 tools, […]

  • Best practice of online education traffic peak


    Introduction:During the peak period of business in online education and other industries, customers will encounter several times or even dozens of times of peak flow pressure in the links of course search, course selection, course appointment, order, class, question answering and operation report. Improper handling of any link will cause problems such as business jams […]

  • Experience sharing of 10 million scale, high performance and high concurrency network architecture


    Themes: into100 Salontime: afternoon of November 21, 2015placeDream plus joint office spaceSharer:Wei Xiangjun(graduated from Beijing University of Posts and telecommunications, he is now a micro blog platform architect. He has successively engaged in technology research and development in Microsoft, jinshanyun and Sina micro blog, focusing on system architecture design, audio and video communication system, distributed […]

  • Nodejs operation and maintenance scheme under 10 million level PV


    How to ensure the lowest SLA, problem tracking efficiency and closed-loop construction in the node scheme with large traffic? How to ensure the transparency of request traffic and business operation? Here is how to do Baidu disk. difficulty Node operation and maintenance under 10 million level PV Availability guarantee, minimum guaranteeSLA 99.98% Problem tracking and […]