The history of the most 40 Dubbo face questions and answers, read the roller press interviewer!

If you want to go high, how can you not understand Dubbo?

Dubbo is one of the most well-known distributed service frameworks in the country and a must-have framework for Java programmers. Dubbo is often asked in the middle of the interview process, whether you have used or not, you must be familiar with.

Below I prepared for you some Dubbo common face questions, some are I often ask others, some of my past interview encountered some problems, summed up to everyone, I hope you can help.

1. What is Dubbo?

2, why use Dubbo?

3. What is the difference between Dubbo and Spring Cloud?

4, Dubbo all support what protocol, recommended which kind?

5. Does Dubbo need a WEB container?

6. What kinds of service containers are built into the Dubbo?

7. What kinds of node roles are there in Dubbo?

8, draw a picture of service registration and Discovery flowchart

9, Dubbo Default to use what registration center, there are other options?

10. What are the different configurations of Dubbo?

11. What are the Dubbo core configurations?

12. What are the properties of the Consumer side that can be configured on Provider?

13. What happens if the dependent service is not available when the Dubbo is started?

14. What serialization framework is recommended for Dubbo, and what else do you know about it?

15. What communication framework does Dubbo use by default, and what other options are there?

16, Dubbo What kinds of cluster fault tolerance scheme, which is the default?

17, Dubbo What kinds of load balancing strategy, which is the default?

18, registered a number of the same services, if the test specified a certain service it?

19, Dubbo Support Service Multi-protocol?

20. What do you do when a service interface has multiple implementations?

21, the service line how to be compatible with the old version?

22. Can Dubbo cache the results?

23. Is the call between Dubbo services blocked?

24. Does Dubbo support distributed transactions?

25. What can Dubbo telnet command do?

26. Dubbo Support Service downgrade?

27, Dubbo How graceful shutdown?

28. What is the principle that the service provider can achieve the failure kick out?

29. How to resolve the problem that the service call chain is too long?

30. What is the recommended fault tolerance strategy for service reading and writing?

31. What are the packages that Dubbo must rely on?

32. What can the Dubbo management console do?

33, talk about the process of Dubbo service exposure.

34, Dubbo Stop maintenance?

35. What is the difference between Dubbo and Dubbox?

36. Do you also know about other distributed frameworks?

37. Can Dubbo integrate Spring Boot?

38, in the use of the process have encountered some problems?

39. Have you read the source code of Dubbo?

40. Do you think it's good to use Dubbo or Spring Cloud?

Think of these for the time being, hope to be helpful to everybody.

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The history of the most 40 Dubbo face questions and answers, read the roller press interviewer!