Analytics Vasiliki (Vasia) Kalavri
 vkalavri@bu.edu Spring 2020 4/09: Flow control and load shedding ??? Vasiliki Kalavri | Boston University 2020 Keeping up with the producers • Producers can generate Vasiliki Kalavri | Boston University 2020 Load management approaches 3 ! Load shedder (a) Load shedding (b) Back-pressure (c) Elasticity Selectively drop records: • Temporarily trades-off result Kalavri | Boston University 2020 Load shedding • Load shedding is the process of discarding data when input rates increase beyond system capacity. • Load shedding techniques operate in a dynamic fashion:

contributors to many papers 37 © 2021. 38 A Little Bike-Shedding Along the Way 38 Wikimedia Commons User SeppVei © 2021. 39 A Little Bike-Shedding Along the Way • template replaced museum-piece abstract

the findings of a penetration test and source code audit against the Dapr software. In addition to shedding light on the state of security on some new features of Dapr, the report also highlights what has

State limited, in-memory partitioned, virtually unlimited, persisted to backends Load management shedding backpressure, elasticity Fault tolerance limited support, high availability full support, exactly-once

做介绍了。
2.2
压测场景
2.2.1
场景⼀（不开启过载保护）

Timeout:
1000

Middlewares:



Breaker:
false



Shedding:
false
• 服务跑在两核的容器内 • 不开启过载保护 • 超时
1s
• loops 2 hey -c 200 -z 60m "http://localhost:8888/ping"