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This article mainly introduces the use of Python in the Pandas Library for CDN Log analysis of the relevant data, the article shared the pandas of the CDN log analysis of the complete sample code, and then detailed about the pandas library related content, the need for friends can reference, the following to see together. Objective Recent work encountered a demand, is to filter some data according to the

A method to resolve a PHP backend generated image that cannot use the CDN cache Today found that there is a problem online, a picture domain name, the front-end has been added CDN cache, do not cache, the dynamic implementation of PHP image scaling, but after the output of PHP processed pictures, each time to read from the backend, back-end server pressure increased, after analysis, PHP did not mak

Why does qiniu have strings to be saved? Does the app server need CDN for strings to accelerate? Why does qiniu have strings to be saved? Does the app server need CDN for strings to be saved? Reply content: Why does qiniu have a string to store? Does the app server need CDN to accelerate the string connection? What do you mean by string Storage? Is the co

To solve the problem that PHP backend images cannot be cached using CDN, The solution for PHP backend images that cannot be cached by CDN Today, I found that there is a problem online. An online image domain name has been added to the CDN cache on the front end. If it is not cached, I will use PHP to dynamically scale the image, however, after PHP processes

parsing the script label, to deal with this SRC point to the JS file usually with Cache-control:no-cache, or Cache-control: Max-age=0, in this case the Cache-control returned by the server will naturally not work. For example, the Tbra seed file of the Taobao home page will bring a Cache-control tag anyway, as shown in figure: So this seed will always occupy an HTTP request, and by the Yui dynamic loading of JS files and CSS files are forced to cache, the HTTP request initiated through JS ca

Chapter 3rd DNS for setting up domain names We'll warm up before the play starts. Intelligent DNS can be said to be the basis of CDN. Believe that everyone do the site will have the following situation: Home page two links, telecommunications users please visit the main site A, Netcom users please visit the Mirror site B. Then do two domain names, www.naizhao.com point to a,cnc.naizhao.com point B. The user looked at half a day feel dizzy, casually p

Many webmaster in the process of building a large web site, often encounter the site in a specific area to open the problem of slow speed. This is usually done in that area to do a site image, through smart DNS to determine the user access to which mirror server. Here we use WDCP and WDCDN to build our CDN acceleration point. Because WDCDN relies on WDCP, we first install WDCP.The specific steps are as follows: First step: Install WDCP 1.X wget

secondsDisadvantagesCan't go wrong, or the problem will be very seriousBackup is unsuccessful and cannot be restored to a point in time3. Virtual Network Technology1.vlanIP-based Port-based technology for MAC addressesLimit broadcast to the scope of each virtual network, thus reduce the transmission of broadcast packets across the network, and improve the transmission efficiency of the network.at the same time, the virtual network can not communicate directly, but must be forwarded through the

A few of the domestic jquery CDN service addresses are recommended:Sina CDN, feel very quickly, with a lot of people, recommended use!Http://lib.sinaapp.com/js/jquery/1.9.1/jquery-1.9.1.min.jsChange the version number in the code between the other versions.CDN for 360Http://libs.useso.com/js/jquery/1.9.1/jquery.min.jsjquery Domestic CDN

The full name of the CDN is the Content Delivery network, which is the contents distribution networks. The goal is to add a new layer of network architecture to the existing Internet, publish the content of the site to the "Edge" of the network closest to the user, so that users can get the content they need, solve the congestion on the Internet, and increase the responsiveness of users to the site. The problem of the slow response speed of the user v

Today found that there is a problem online, a picture domain name, the front-end has been added CDN cache, do not cache, the dynamic implementation of PHP image scaling, but after the output of PHP processed pictures, each time to read from the backend, back-end server pressure increased, after analysis, PHP did not make 304 of the processing,HTTP principle is this, each request to the server, the service side detection has no modification, such as no

Baidu CDN SSL Configuration stepsThe certificate typically purchased from the SSL provider is in CRT binary format.1. Import the CRT into IIS and export it to the PFX format from IIS2. Download OpenSSL and execute the command belowExtracting user certificates (P12 or PFX)OpenSSL pkcs12- in Test.p12-clcerts-nokeys- out CERT.PEM //PEM format OpenSSL PKCS12- in Test.p12-clcerts-nokeys- out CERT.CRT //CRT formatIf you need to carry a secret key, remove

The full name of the CDN is the Content Delivery network, which is the contents distribution networks. The basic idea is to avoid the bottleneck and link of the Internet which may affect the speed and stability of data transmission, and make the content transmission faster and more stable. By placing the node servers in the network, a layer of intelligent virtual network based on the existing Internet, the CDN