title: Gleanでのランキングコードの段階的なデプロイ

Improving ranking models benefits from frequent, iterative releases to enhance performance. However, this process requires significant care, especially when dealing with stateful services where changes can have complex effects. The deployment of new ranking code must be managed carefully to avoid regressions and ensure stability. This content outlines a methodology for the staged deployment of ranking code to mitigate these risks.