noun
Computing term for time during which a system, resource, or worker is not actively processing tasks.
サーバーの遊休時間を分析して、リソースの無駄を減らす。
Analyze the server's idle time to reduce wasted resources.
このジョブは遊休時間に実行される。
This job runs during idle time.
Compound of 遊休 (idle, unused) and 時間 (time). The term is a technical coinage, likely from the computing field.