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"A JVM threading model for the containerized times" by Luiz Hespanha and Flavio Brasil
Discover NAVU, a JVM threading model designed to detect and adapt to CPU throttling issues, controlling concurrency and scheduling threads directly for improved system performance and stability.
- CPU throttling can occur even with low average CPU usage.
- Average CPU usage is not a reliable measure of system performance.
- CPU throttling can be caused by too many threads or thread blocking.
- NAVU (NewBank’s threading model) is designed to detect and adapt to these issues.
- NAVU controls concurrency and schedules threads directly.
- NAVU detects JVM safe points and allocation directly.
- NAVU uses fine-grained metrics to monitor system performance.
- CPU throttling can occur due to over-provisioning of resources.
- Concurrency can be controlled using NAVU.
- NAVU detects degradation in scheduling and controls concurrency.
- NAVU has been successfully used in production environments at NewBank.
- The problem of CPU throttling is common and often misunderstood.
- NAVU provides a solution to this problem by controlling concurrency and scheduling threads directly.
- Fine-grained metrics are necessary to understand system performance.
- NAVU is designed to work with Kubernetes and provides a way to control concurrency and scheduling.
- The benefits of NAVU include improved system performance and stability.
- NAVU has been shown to be effective in reducing CPU throttling and improving system performance.