[issue 31] 360 background development practice experience - two rounds of technical aspects

one side

Self introduction.

Project related

• Use database/sql And use gorm The difference between
• Why use redis Connection pool

Basic knowledge of

• process / Threads / The difference between processes
• Three characteristics of object-oriented ( combination Go say something )
• How to limit goroutine Concurrent number ：channel or WaitGroup

Ask questions

• Go What knowledge can development add ：
• • High concurrency / Distributed
  • Performance monitoring / performance optimization
  • unit testing / Pressure test
  • Dynamic debugging

Two sides

Algorithm phase Turn off (PS: No hand tearing , Just thinking )

• LeetCode-104 The maximum depth of a binary tree
• LeetCode-110 Balanced binary trees

Basic knowledge of

• Go High concurrency and distributed characteristics
• Go How to view performance ：pprof
• Go How to debug ：gdb/delve
• Go How to print stack ：runtime.Caller
• Talk about right Web Understanding of the framework （ combination gin say something ）
• Redis Data type and underlying implementation
• Talk about right Docker Container understanding
• Linux What is the namespace of
• Linux Command to use ：
• • Check the process ：ps/top
  • Look at the memory ：free
  • Check the disk ：df/du

Ask questions

• Comments on this interview ： Understand the underlying knowledge more .

summary ： Focus on Go Knowledge of engineering management （ It may have something to do with safety in the group ）, Although I didn't pass the first interview, I learned a lot ！