This year, the Internet industry has accelerated its development, with major companies such as Alibaba, Tencent, Douyin and Kuaishou accelerating the pace of talent recruitment. Here according to their own actual experience, sorted out a list of interview these big factories often ask points, hoping to help you check the gaps, overcome the interview difficulties.

JVM+MySQL+ Design Mode + Distributed + microservices

  1. JVM

The virtual machine has always been the interview disaster area, many small partners are planted in this, need to prepare carefully. The following topics will be explored: basic JVM concepts, runtime data area analysis, in-depth analysis of JVM objects, such as: classloading principles, parental delegation model, source code analysis (emphasis), JVM optimization, garbage collection, efficient concurrency, etc.

  1. MySQL

In Internet enterprises, the most commonly used database is MySQL, which is a must to master. First, the xmind chart lists the essential knowledge points in the interview for your reference, hoping to help you quickly get started.

MySQL index, architecture, lock, transaction, database and table (key), cluster, performance analysis and optimization (difficult point)

When it comes to design patterns, interviewers are more likely to ask which design patterns they are familiar with, and if necessary, ask them to write one or more by hand.

4. Basic features of distributed transaction, basic principles of distributed transaction, Usage scenarios of distributed transaction, Cache, Redis, Zookeeper (key), distributed lock implementation, Breakdown, Avalanche (key)

5. Common frameworks of microservices (Spring Boot, Spring Cloud, Dubbo, Netty), service governance, load balancing (key points), service fault-tolerant protection, service invocation, API gateway service, service tracking (difficult points)

In view of these knowledge points, collected a set of good explanation video, very dry goods, specific:

Video 1: “Zhan Ge takes you to create the most stable knowledge graph” video 2: “Seven days MySql Training camp” video 3: “Da Jia takes you to in-depth analysis of distributed transaction principles and characteristics” video 4: “Service governance and Load Balancing of micro services”

The lecturers of the video are all former technical directors of large companies such as Taobao, Baidu and Ctrip, as well as interviewers. They are well aware of the interview and recruitment requirements of current enterprises, so they are very suitable for students preparing to impact large companies.

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