On the practice of performance optimization and stability guarantee

author ： Liang Ershu
Reprinted from ： Talking about the practice of performance optimization and stability guarantee

preface

Good user experience is the foundation of continuous business growth , And stability is the cornerstone of service . Imagine if users find a blank screen in the booth when shopping in the mall , When users search in the search box ,3 Seconds to return results , First of all, the user side will inevitably lead to a very poor user experience , In turn, the loss of customers will bring direct losses to the enterprise . From the production and research side , The service is unstable, don't mention “ The pursuit of excellence “ 了 , It is likely to affect the performance of employees . In our scenario , With the rapid development of business ： The soaring volume of business 、 The rapid expansion of the team , It constantly poses new challenges to the stability and performance of the system , Remember there was a time in the team , Almost every time we go online, there are big and small problems , Stability is a challenge to the professional ability of the team , Therefore, we have promoted the project of stability guarantee and performance optimization , And took a series of stability measures in the quarter , And finally achieved fruitful results , Pave the way for exploring more possibilities at the business and technical levels in the future . This article is about stability , Briefly talk about our practice .

methods

Adopt a top-down approach , Let's discuss the means first , Combined with business pain points , Give an example , Explain why .

summary

Stability is a matter of consciousness before ability . What is often missing is the recognition of the black swan of the system , Always tend to rely too much on the system , The more complex the system is （ In fact, the more fragile ）, It makes people feel more reliable , And the black swan that is born is often bigger . So in practice , We should not only do a good job of making up for the lost , We should prepare for a rainy day , Pay attention to and deal with the spark in time , Enhance the “ Anti vulnerability “. Finally, I want to end with this sentence , Share with everyone ！

“ The word steady is extremely playable , Cover the world , But if it's flat, it's stable . Insurance is also available , Eventually, it is unstable , So the gentleman is in the easy place .”—— Zeng guofan