I had heard of the concept of concurrency issues before, but it was hard to truly grasp how they occur in practice. This lecture perfectly lived up to its title, "The Easiest Concurrency Issues"! 👍 The explanation of Race Conditions using both diagrams and code examples made it very easy to understand, and I was able to learn why these problems occur by following the logical flow. 😊 I’d love to take more of your lectures on other topics!

I've always found concurrency issues difficult to grasp, but this course broke down the concepts step by step, and I finally feel like I'm getting the hang of it. Rather than just covering theory, I was able to naturally understand how concurrency issues manifest differently in single-server versus distributed-server environments by setting up hands-on practice environments. What I particularly appreciated was the structure that allowed me to directly observe the process through which concurrency issues actually occur, so instead of simply memorizing concepts, I could experience firsthand why these problems arise. There was a lot of content that could be immediately applied in real-world work, which was very helpful. I think this is a course worth recommending to anyone who finds concepts like optimistic locking, pessimistic locking, and distributed locking confusing, or who is struggling with how to solve concurrency problems.

I only knew about concurrency issues theoretically, but by following the instructor to directly reproduce and solve race conditions at the code level, I was able to gain a solid understanding. Practicing under various environment assumptions such as shared DB and distributed environments was also very helpful. 😊😊 I think this is a great course for those like me who are just getting started with concurrency issues. Thank you~