PHPStorm background indexing latency during concurrent file edits

Resource Contention in Indexing Thread Pools

PHPStorm utilizes a fixed-size thread pool for background indexing and code inspections. In large-scale projects, performing simultaneous edits across multiple files can saturate this pool, potentially leading to UI unresponsiveness as the IDE prioritizes indexing tasks over interface interactions.

Concurrency Constraints

While Power Save Mode can mitigate this latency by disabling real-time inspections, it removes critical refactoring and error-highlighting capabilities. There is an apparent lack of granular control within the IDE settings to adjust the thread pool size or prioritize specific background tasks during high-concurrency workflows.

Assuming a version 2023.2 or newer environment, what is the mechanism for tuning the background indexing thread pool to prevent UI freezes? Is there a documented way to prioritize UI responsiveness over indexing completion during concurrent file modifications?