Monitoring Splunk

After upgrading a single Splunk Enterprise instance type from 2vCPU to 4vCPUs, why isn't Splunk seeing additional CPUs?

Euphrates
Engager

I have a single Splunk instance on an Amazon AMI RHEL box. I upgraded instance type from 2vCPU to 4vCPUs, and Splunk for some reason cannot see the additional CPUs. However, it did pick up the memory upgraded (8 to 16).

I have yet to find an answer to this online.

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