feat: Allow on demand instances for databricks job compute policy #577
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Summary
Allow the use of on-demand instances for the Job Compute policy.
Spot instances are already too flaky for ETL work. The problem is worse with GPU workloads.
GPU workloads have the additional problem of low availability and longer provisioning times.
Additional on-demand instances will be scaled down so the additional cost is only temporary when using auto-scaling.
Test Plan
Say unittests, or list out steps to verify changes.
References
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