“SRE google operation and maintenance decryption” reading notes (5)

Test reliability The premise of accurate prediction information: The system has not changed at all Fully describe the changes to the entire system Testing is a means of proving the equality of certain areas of the system prior to the change. Types of Software Testing traditional test production test traditional test unit test Integration Testing

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Dialogue with Shanghai: In an abnormal time and space, striving for a legitimate life

Shanghai friends, how are you doing? The May Day holiday passed quietly, and many places were silent, as if the holiday did not happen, and Shanghai was closed for more than two months. We can still see information about asking for help, absurd things, floating and silent anger on the Internet. Outside the fence, we

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One picture to understand | Stagflation expectations are heating up, what strategies does Wall Street have to deal with?

Markets were volatile after the Federal Reserve announced plans to raise interest rates by the most since 2000. On the one hand, investors are worried that raising interest rates will not be able to quell the intensifying inflation; on the other hand, concerns about whether the economy can achieve a “soft landing” are gradually spreading.

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Performance is a rocket! In addition to oil, the stock price of this industry is also ignited

In the context of global inflation, oil, as the king of commodities, took the lead in rising, and the entire industry sector is accelerating “money printing”. Even Buffett, who has rarely shot in the past few years, is buying oil companies with a lot of money. At the same time, under the outbreak of the

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Many universities drop out of international university rankings

Renmin University of China, Nanjing University, Lanzhou University and other universities have reportedly announced their withdrawal from the international university rankings. An insider at Renmin University said that China’s knowledge system has developed for thousands of years, and it is the oldest and richest in the world. , the most profound knowledge system, innovatively develop

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Can exquisite camping go out of “Beijing, Shanghai and Guangzhou”?

Video loading, please wait… Autoplay play Camping becomes the new fashion of tourism forward backward Welcome to the WeChat subscription number of “Sina Technology”: techsina Whether the demand side can form continuous population penetration or sinking is the key to whether this market can continue to be popular. Text | Edited by Han Xiyan |

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