Alibaba Tech

Mar 20, 2019

10 min read

Beyond Hystrix: How Alibaba’s Sentinel Watches Over Distributed Systems

With Sentinel, Alibaba has introduced a flow control system with impressive comparisons against Netflix’s Hystrix component

Differences of Focus: Sentinel and Hystrix

Resource and execution model comparisons

Isolation design comparisons

Circuit breaking and downgrading comparisons

Real-time metrics comparisons

Exploring Sentinel: Unique Features and Characteristics

Lightweight, high performance

Flow control

System load protection

Real-time monitoring and control panel


Key Takeaways