After working for 1-5 years, when we ask the boss for a salary increase, or when we switch jobs to "pick up" an offer, are we confident enough?
Do you dare to "wave your sleeves and not take a bug with you" without a salary increase? Did your supervisor, manager immediately after making the request?
Agree, in order to keep you. However, the reality is often...
The technology is not too hard, and the rest are ignored.
The editor will list the most commonly used and hottest technologies recently, and let us check if you can be tough.
Alibaba Dubbo+Zookeeper registration center, Alibaba MyCat sub-database sub-table
JVM tuning, garbage collector and memory allocation strategy, the role of serial and parallel collectors
Redis caching technology (implementation of session unified management case), introduction of interface joint debugging process
Tomcat operating mechanism and framework, concurrency optimization, memory optimization
SpringAOP cornerstone dynamic proxy, interception and weaving principle, familiarity with Spring related source code
Practical application of concurrent programming in projects
High-performance NIO framework Netty application
Nginx offload technology configuration optimization principle, master-slave, dual-master high-availability design
Distributed single sign-on solution
Specific application of message queue ActiveMQ, optimistic lock, pessimistic lock, distributed lock
Interface security solutions, scheduled tasks in a cluster environment
Distributed file system FastDFS, distributed file system to store contract files
Docker virtualization technology, integrated with microservices, dynamic expansion, continuous release
Gateway, configuration, and registry construction of SpringCloud
NoSQL&MongoDB&Cassandra、HttpComponents、20FreeMarker/Velocity、SpringBoot、Log4j2
Performance optimization:
1. JVM tuning
2. Java program performance optimization
3、Tomcat
4、Mysql
5、Spring IOC
6、Spring AOP
7、Spring MVC
8. New features of Spring 5
9、Mybatis
Distributed Architecture:
1. Architecture core service layer technology
2. Architecture key technical facilities
3. Distributed message communication is asynchronous to MQ
4. Distributed cache
5、Restate
6、Memcached
7、MongoDB
8. Data storage
9. High concurrency offloading technology Nginx
10. Distributed solutions
performance tuning
Application framework source code interpretation
Distributed Architecture
Microservices Topics
Team Collaborative Development
B2C mall project actual combat
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