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Volcano成Spark默认batch调度器
2022-06-24 19:21:00 【InfoQ】

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Spark + Volcano:更完善的调度能力
常见调度场景:
作业级的公平调度 (Job-based Fair-share)
队列 (Queue)
- 在不同的“租户”或资源池之间共享资源,例如将每一个部门映射到一个队列,实现多个部门通过队列的权重,动态共享集群的资源。
- 为不同的“租户”或资源池支持不同的调度策略或算法,如FIFO、Fairness、Priority等
面向用户的, 跨队列的公平调度 (Namespace-based fair-share Cross Queue)
抢占 (Preemption & Reclaim)
最小资源预留(minimal resource reservation)
预留与回填 (Reservation & Backfill)
未来发展
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