Architect

Jul 15, 2020 · Big Data

Understanding Flink Task Slots, Resource Allocation, and Slot Sharing Mechanisms

This article explains how Flink uses task slots to partition TaskManager resources, the benefits of slot sharing, the interaction between Scheduler, SlotPool, and ResourceManager, and the internal classes such as LogicalSlot, PhysicalSlot, and SlotSharingManager that enable resource isolation and sharing in stream processing jobs.