January 2019
Beginner to intermediate
154 pages
4h 31m
English
Content preview from Apache Spark Quick Start Guide
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Task scheduler
It is the responsibility of the task scheduler to schedule these tasks with an executor based on the available cores and data locality. By default, a task is assigned a single core to perform its operation. You can change this behavior by configuring spark.task.cpus property. Spark provides two choices for scheduling policies:
- First in-First out (FIFO)
- FAIR
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