Continuous improvement is required for any process, product, or application to excel. Operational excellence needs continuous improvement to attain maturity over time. You should keep implementing small incremental changes as you perform RCA and learn a lesson from various operations' activities.
Learning from failure will help you to anticipate any operational event that may be planned (such as deployments) or unplanned (such as utilization surge). You should record all lessons learned and update remedies in your operation runbook. For operational improvement, the following are the areas where you need appropriate tools:
- IT Operation Analytics (ITOA)
- Root cause analysis (RCA)
- Auditing and reporting