Autoscaling in a Compute Instance Pool

Autoscaling lets you automatically adjust the number or the lifecycle state of compute instances in an instance pool. This helps you provide consistent performance for your end-users during periods of high demand, and helps you reduce your costs during periods of low demand.

See also:
https://docs.oracle.com/en-us/iaas/Content/Compute/Tasks/autoscalinginstancepools.htm
https://docs.oracle.com/en/learn/configure_auto_scaling/index.html

NOTE: Below is an example of a cloud-init script. Since YouTube doesn't allow for angled brackets in Description, please replace the capital R in the example below with an angled bracket (aka the Greater Than character).

Example Script:
#cloud-config {{ packages:httpdstress

runcmd:[sh, -c, echo "RhtmlRWeb Server IP hostname --ipaddressR/htmlR" R /var/www/html/index.html][firewall-offline-cmd, --add-port=80/tcp][systemctl, start, httpd][systemctl, restart, firewalld]}}

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