Optimisation Tools for Jira: Reducing Configuration Bloat and Enhancing Performance

This post details the design and implementation of Jira's optimization tools for configuration entities like fields and work types. It covers the high-level overview, architecture (reporting and remediation phases), pre-computation framework for asynchronous scanning, tiered state management for storing usage data (Memcache & Polymorphic Persistence), and recoverability mechanisms. The post highlights the smart, prioritized refresh strategy for usage data and the impact of these tools on configuration health, performance, and admin experience.