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Answer: Increase the cluster size with preemptible worker nodes, and configure them to use graceful decommissioning.
The correct answer is D. Increasing the cluster size with preemptible worker nodes and configuring them to use graceful decommissioning is the most cost-effective way to make a job run faster without losing work in progress. Graceful decommissioning ensures that work in progress on the nodes is completed before they are removed, preventing data loss and ensuring efficiency.
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As a cloud engineer responsible for managing a Cloud Dataproc cluster, you are tasked with optimizing the performance of a job. Your goal is to accelerate the job's execution while keeping costs low and ensuring that no work in progress is lost. What steps should you take to achieve this?
A
Increase the cluster size with more non-preemptible workers.
B
Increase the cluster size with preemptible worker nodes, and configure them to forcefully decommission.
C
Increase the cluster size with preemptible worker nodes, and use Cloud Stackdriver to trigger a script to preserve work.
D
Increase the cluster size with preemptible worker nodes, and configure them to use graceful decommissioning.