Knowing high concurrency performance tuning must be a plus point for you to become awesome on the advanced technology track. Regardless of whether you are a development, architecture or management post, or other Internet-related posts. Because it is no exaggeration to say that in the current environment of concurrent traffic with more than tens of millions of levels , you will gain high salary, voice, sense of accomplishment and irreplaceability by understanding concurrent stress testing, performance bottleneck diagnosis, optimization solutions, and architecture evolution. .
It can be seen from the job requirements of major factories that high concurrency and actual combat is a necessary ability for P6+ positions in major factories, and the salary is 200% higher than that of ordinary jobs. From P6+ to P8, how to deal with high concurrency scenarios are hard skills, you can feel it.
(High concurrency and actual combat is a necessary ability for P6+ positions in large factories)
Today, knowing Java performance tuning means that you can directly empower your company's business. Simply put, it is to bring benefits to the company. The real masters are concerned about these questions: What is the concurrency level of the project? Do you have production experience in diagnosing and optimizing performance problems? Which dimensions will be considered based on the demand for concurrency? Network bandwidth, QPS, TPS, number of connections, data level, etc.?
- Deeply understand the performance requirements of the actual production environment
- Develop a tuning path based on the production environment. In different scenarios, define concurrent stress testing (flow estimation, capacity estimation, and service warm-up)
- Pressure test report bottleneck analysis (network? Disk IO? Database bottleneck? JVM? Communication protocol?)
- Analysis of the principle of performance problems (large objects? Index failure? Malicious DDos attacks?)
- Performance optimization scheme (JVM tuning index optimization, request verification, asynchronous decoupling)
As the saying goes: "Teaching people how to fish is worse than teaching people how to fish." Share this Java performance tuning notes manual and supporting videos to those in need, starting from the actual optimization of each layer of Java application services, selecting high-frequency performance issues, and extracting optimization ideas through the underlying Java source code And the realization principle behind it, finally formed a set of "tuning methodology that can be used after learning" to help you quickly advance. Due to space reasons, this article only shows the catalog and content screenshots. Those who need to learn only need to forward it. The free method is at the end of the article!
Performance Tuning Handbook: Concepts
How to formulate performance tuning standards and strategies?
Performance tuning combat: design patterns
Design patterns are solutions to general problems faced by software developers in the software development process. These solutions are summed up by many software developers after a long period of trial and error. If you want to be successful in the Java world, design patterns are indispensable, and even more important is the optimization techniques of design patterns. This module will combine some complex application scenarios to analyze design optimization cases.
Performance tuning combat: Java programming articles
Performance tuning combat: multi-threaded articles
When encountering high concurrency problems online, it is generally difficult to reproduce high concurrency problems, so it is usually analyzed by compiling with eyes and looking at the source code statically. This article will talk about some common analysis methods for encountering such problems, so that when you encounter problems, you will not panic!
Performance tuning combat: JVM performance monitoring and tuning articles
In the later stage of the interview, questions about performance optimization are often asked. For example, have you optimized the JVM, have you ever encountered a scene of JVM troubleshooting, if you can only say some basic insights, then the interviewer will give you a good job and salary. It may be elementary, and the optimization of the JVM can indeed bring lower pauses and higher throughput to the service operation. The optimization in place will undoubtedly make the code run more stably without the optimization in place. This module focuses on sharing JVM performance tuning with you Excellent relevant experience, issues such as the creation and recycling of Java objects, and memory allocation.
Performance tuning combat: database performance tuning articles
As a programmer, database is a required course, and MySQL database is undoubtedly the most commonly used database. The stability, high efficiency, and high concurrency of the system depend to a large extent on whether the database performance is good enough. This shows the importance of performance optimization. It is not difficult to understand that you will be asked about database tuning in any interview. Optimize related issues. This module will focus on analyzing some common database tuning methods.
Performance tuning actual combat manual content display
Concept
Design Pattern Tuning
Java programming tuning
Multi-threaded performance tuning articles
JVM performance monitoring and tuning articles
Database performance tuning articles
to sum up
However, many people have encountered the following misunderstandings in the process of learning and tuning:
- I have read tuning related knowledge points on the Internet, but have not practiced it, so forget it after reading it;
- Redis, kafka, etc. are all called directly at work, and they are at a loss when there is a problem;
- Think that tuning is just tuning a parameter, the focus is to optimize the code.
- The interviewer asked about tuning experience, but he didn't actually operate it.
- When encountering high-concurrency production problems, add machines and configurations, but there is no good solution.
If these problems are not clear, there is a high probability that you will stay up late and work overtime every day and repeat CRUD. On the contrary, if you know how to tune high concurrency performance, you can turn into a firefighting team leader in the actual production environment, and use one person to solve the bottleneck problem of tens of millions of scale projects. The sense of growth may be much greater than that of salary. Your satisfaction.
If you still have no good ideas on how to better learn performance optimization, this performance tuning practice manual and supporting videos can help you very well! To receive this study manual , you only need:
- forward and comment on my articles, sweep the yard gain after concern.
