cdnbest CDN Program is supported by default W EB SocketWssis aWeb Socket Secureabbreviation of, It isWebSocketthe encrypted version. We knowWebSocketthe data in is not encrypted, but unencrypted data can easily be stolen by people with ulterior motives., so in order to protect data security, people willWebSocketwith theSSLcombined, to achieve a safeWebSocketCommunication, thatWebSocket Secure.so sayWSSis to useSSLit's encrypted.WebSocketCommunication
Blue Flood CDN Refresh API collection is very convenient, but contains clear text account password, public very uncomfortable.A small station was built in the beginner's python.Baidu a bit, found that Nginx+uwsgi is currently a good production solution. (Nginx built-in UWSGI module, do not need to recompile)Half a day to finish, share under convenient later query.Nginx Related configuration section:1 Server2 {3Listen the;4 server_name cdn.test
Now a lot of Web sites using CDN technology, in doing some testing, want to get its server real IP address is a bit difficult, do not know what other good methods now, sorted out, now know the following two kinds:
1: Take CDN server to find real IP
Cache_peer 1.1.1.1 Parent 0 no-query Originserver
Cache_peer_domain 1.1.1.1 www.2cto.com
2: To determine whether http_x_forwarded_for is empty, not to empty t
Web site After the CDN, see the CSS file header found
Copy Code code as follows:
Transfer-encoding:chunked
Google for a long time, found that the CDN crawl seems to support only HTTP 1.0
and Nginx's
The default value of the Gzip_http_version option is 1.1
Add or modify Gzip_http_version parameters in the Nginx configuration file:
Copy Code code as follows:
Gzip_http_version 1.0
Description of the Hadoop environment:Master node: Node1Slave node: node2,node3,node4Remote server (Python connection hive): Node29Requirement: The top 10 URLs that are queried in the CDN log for the highest number of URL accesses in a specified time period via hivePS: With pig query can query article:http://shineforever.blog.51cto.com/1429204/1571124Description: The python operation remote operation requires the use of the Thrift interface:The hive s
. Net mvc extension UrlHelper supports CDN and mvcurlhelper0x00. Why?
Because my server is a small water pipe, it often takes a long time to load a complete website. To speed up website loading, it is best to separate static files. All of them come up with the idea of extending UrlHelper, it is used to support loading files through CDN.0x01. Several Methods for referencing static files
Tojquery-1.11.0.min.j
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
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
Initial Requirements
Site high concurrency, you need to use the image/css/js resources to compress, to conserve server traffic resource bandwidth.
Server configuration: Primary 1, secondary 3 units. The main win64+ WAMP, through DNS automatic resolution allocation point.
Solution Solutions
The master server joins the Google jsminify Library, overwriting all access to the Css/js file under the Resource folder/public to the Jsminify program. Jsminify is automatically compressed and can only
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 make 304
AWS launched its CDN service cloudfront several years ago, allowing you to create a URL pointing to your own S3 bucket or web server. When others access this cloudfront URL, the DNS will automatically resolve the Edge server to the nearest physical location, and then the Edge server will query whether there is any related cache, if not, he will send a request to orgin for information and keep it in the local area. The default cache time is 24 hours.
Label: style blog color OS file Div SP code logBecause the backend execution time is too long and the front end does not wait, a 504 error is prompted.504 error is caused by a limited latency and timeout setting on your CDN server.504 indicates that the front end does not wait to be aborted, but the front end does not work. The back end should be normal.502 error indicates that the backend does not respond, but the backend does not. If the frontend do
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