For programmers, the money behind the robbery is actually a handle.

Source: Internet
Author: User
Keywords Programmers red envelopes in fact are
Tags alipay course link programmers project project management system telephone
Summary: Every time the front of the carnival has many backstage programmers a bitter tears, double 11.11 is so, New Year's Day to rob red envelopes must be the same, this is just like the virtual world of Spring Festival, also need to divert diversion. On this 36 Krypton telephone interview paid treasure a worker

Every time the party has backstage many programmers a bitter tears, double 11.11 is so, New Year's Day to rob red envelopes must be the same, this is just like the virtual world of Spring Festival, also need to divert diversion. On this 36 Krypton telephone interview paid Treasure an engineer (claiming to pay Baoxiao, responsible for project management, Android development and testing, etc.), of course, we also want to chat, but not touch.

He told 36 Krypton, red envelopes This product has done for almost 3 months, involving about 10 departments, New Year's Eve more than 200 people are still fighting in the front of the red envelopes, responsible for the technology of the small two of course. Alipay released such a group of data, 24 hours, 4 billion yuan, the total number of packets received 240 million. Games + Entertainment, New Year's Eve 8 o'clock, wallet interface hits up to 883.2 million times/min. February 19 Morning, 0:19, Ma Yun's Chinese Red envelope password opened, 29.98 million people entered nearly 100 million answers, 15 million "I", 2 minutes 36 seconds issued 999,999 red envelopes.

Pay Baoxiao told 36 Krypton, this red envelope activities to cope with the pressure scale than double 11, compared to 11 of the main pressure in the capital settlement and the next single link, and the following payment link to pay the treasure caused by the pressure due to the time difference is dispersed away. The pressure to rob the red envelope is concentrated in the large-scale landing and the award link, rob the red envelopes every hour of the mass flow of the collective outbreak, and shopping is not the same-urgent. In the existing architecture, Alipay integrates a variety of current limiting measures, from gateways, business systems, caching systems, databases have done a limited-flow processing. Backstage hundreds of switches control a lot of technical plans, affecting the flow of which dozen, by which system to undertake and so on, can pass the threshold is how much, "any one switch wrong may cause online chaos."

For the user, although the login is still that Alipay, in the concentration of the flow of time will be some not too "anxious" function will be temporarily blocked off, remember to rob the countdown to the red envelopes-each user's countdown is not the same, this time is also to ease the pressure of access (is to catch the cat that poke, poke, To do the fine-tuning, after all, the system needs to tell users in real time there is no winning.

Asked what is the most wonderful plan? "That's when the system collapses--lets the user see nothing," of course, the engineer said the plan must not be used, "or hit the face," but must have.

Asked to finish the battle, Waiter said, "Finally passed ..."




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