Second generation CDN architecture and ordinary CDN architecture
Recently, there is no thing to write, introduce a thing of our company a few births, may be a new thing for many people. . […]
Read moreMessage release subscription mechanism in ECS
We found that the concept of ECS is born in the game area when practicing the ECS framework. The application of traditional human machine interaction […]
Read moreDomain name random case results in the failure of the asynchronous DNS resolution of libevent2
The Libevent built-in asynchronous DNS parser uses a Hacking means called DNS-0x20 Encoding to prevent DNS from being poisoned. But this practice is problematic, which […]
Read moreHBase high concurrent read write performance optimization in PORA2 applications
Taobao search personalized offline real-time analysis system PORA has been upgraded to PORA2, and PORA2 is developed based on YARN-based streaming framework iStream, while using […]
Read moreMobile image format research
The picture is usually the most mobile terminal consumption and occupies important visual space. Reasonable picture formatting and optimization can save you bandwidth and enhance […]
Read moreDNS tunnel
Today, I saw such a one in Greader, and I realized free internet in DNS tunnel. My thoughts suddenly returned to New Zealand vacation last […]
Read moreThe internal mechanism of Tmall navigation reveals
Online shopping has become our habits. When we want to buy the same item, you often go to the online shopping website to enter Query […]
Read moreIT practitioners need to know security knowledge (1)
Recently, CSDNs and other websites are taken off, and they are boiling. As a programmer, I think the strength of the software developer’s own safety […]
Read moreDefense DDOS Script in Python
This blind can say that the opening of the white can save, the reason why is DDOS, not because the mad dog is chased, but […]
Read moreSafety problem
Note: One breath is written in this article, and then the Internet is searched for the relevant news, and I found that the risks of […]
Read moreTraffic control based on leaky bucket and token bucket algorithm
Internet services Lai Survival is the basis of traffic, products and operations often through various ways for application, such as Taobao’s double eleven, how to […]
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