- What are the difficulties of the project? How is it solved?
- What is the difference between Redis and ZK distributed locks? What are the advantages of each?
- How to solve the early expiration of the lock? Has Redisson used it?
- How did Redisson’s watchdog work?
- Mysql is a procedure for executing an SQL, okay?
- How does mysql implement ACID
- The implementation principle of four isolation levels in mysql
- Does select * from T1 trigger a gap lock?
- Did any database deadlocks occur during production? What caused the deadlock? How to solve it?
- How do databases perform master-slave synchronization? How to solve the inconsistency between the sending master and sending slave?
- How to carry out the sub-database sub-table? How to expand the database and table? How does consistent hashing work?
- How does hashMap work? When do linked lists evolve into red-black trees? And under what circumstances degenerate into linked lists? Why is that?
- CopyonwriteArrayList is the principle and what are the application scenarios?
- A list 1-3-4-5-6-2-2-3 x=3 produces a list in which the left side is smaller than x and the right side is larger than x, in the same order as before.