Load Balancing Haproxy

Haproxy provides high availability, http://www.aliyun.com/zixun/aggregation/13996.html "> Load balancing, and proxies based on TCP and HTTP applications to support virtual hosts, which are free, A fast and reliable solution. Haproxy is especially useful for Web sites that are heavily loaded, which typically require session maintenance or seven-tier processing. Haproxy running on the current hardware, can support tens of thousands of concurrent ...

Now almost any application, such as a website, a web app and a mobile app, needs a picture display function, which is very important for the picture function from the bottom up. Must have a forward-looking planning picture server, picture upload and download speed is of crucial importance, of course, this is not to say that it is to engage in a very NB architecture, at least with some scalability and stability. Although all kinds of architecture design, I am here to talk about some of my personal ideas. For the picture server IO is undoubtedly the most serious resource consumption, for web applications need to picture service ...

Instagram 5 Legendary engineers behind the technical Revelation (PPT) published in 2013-03-28 22:13| Times Read | SOURCE csdn| 0 Reviews | Author Guo Shemei Postgresqlredismemcachedinstagram Open Source AWS Summary: Instagram, a photo-sharing app developer based on iOS and Android, with a unique operating philosophy, with only 5 engineers, Team A total of 13 people in the case of success to their own 7 ....

Overview WEB attack is the mainstream technology of hacker attacks for more than a decade. The domestic manufacturers have long regarded WAF as the standard of security infrastructure. There are many security vendors in the market that offer WAF products or cloud WAF services. For the lack of their own security team, but also suffer from sql injection, xss, cc and other WEB attacks in the small and medium enterprises, the demand for WAF is also very urgent. WAF access to the current are the following: WAF products to buy security vendors using the cloud waf service, the domain name of the DNS server is set to cloud waf manufacturers to provide, or ...

Justin.tv,youtube's threat, through 30 million independent visits per month, 30 hours a day to add video, and YouTube only 23, so in the game video upload area after losing YouTube, The following platform from the Justin.tv real-time video system, their architectural details, from what they should learn from a number of aspects for everyone to explain. First from the use of the platform began to say: twice--Agent service system, mainly in the application of buffer optimization ...

Pagerduty, an emerging internet start-up, is a product that can send reminders on the server, including on-screen displays, phone calls, SMS notices, email announcements, and more. At present, AdMob, 37Signals, StackOverflow, Instagram and so on have adopted the pagerduty as the message notification as well as the sudden event processing tool. Doug Barth, author of this article, shared how Pagerduty successfully migrated existing system MySQL to the XTRADB cluster to ...

Dolphin Browser in February 2010 officially released the Android version, nearly a year after the official release from a pure client products began to iteratively evolve, gradually joined the functions of cloud services, Dolphin browser in the cloud of the road to depart. At the beginning of the venture, because of the shortage of resources and manpower, the deployment of natural cloud services became preferred. At that time, the Amazon cloud platform was favored by a small entrepreneurial company in foreign countries, so we did not hesitate to choose AWS as a service provider and to read the dolphin Dolp ...