SpringBoot is a popular framework for Java web applications, facing performance challenges like memory, thread, CPU, and system issues. Effective tuning and monitoring with tools like yCrash can identify and resolve these bottlenecks, enhancing service availability and efficiency, thereby improving response times and reducing operational costs in enterprise environments.
The article outlines strategies for troubleshooting CPU spikes in Java applications, highlighting issues like repeated Full GC, non-terminating loops, and non-synchronized access to HashMap. It presents tactical and strategic solutions, including monitoring garbage collection, analyzing thread dumps, and replacing HashMap with ConcurrentHashMap to mitigate CPU performance issues.