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To operate machinery, systems, or processes at their maximum capacity without any idle time or reduced performance.
工場のラインをフル稼働状態にする
to run the factory line at full capacity
このサーバーは24時間フル稼働状態で動作している
this server operates at full capacity 24/7
Commonly used in industrial, IT, and manufacturing contexts to describe systems working at peak performance.
In technical documents, the full phrase 'フル稼働状態にする' is common. In casual speech, people often shorten it to 'フル稼働' (e.g., 'この工場はフル稼働だ' = 'This factory is running at full capacity').
When describing systems, 'フル稼働状態' indicates peak performance, while '停止状態' means stopped and '待機状態' means standby. These are important distinctions in technical documentation.
The phrase combines 'フル' (full, from English 'full') with '稼働' (kadō, meaning operation/working) and '状態' (jōtai, meaning state/condition). '稼働' itself is a Sino-Japanese compound (稼 = earn/work + 働 = work), originally referring to machinery operation.
Primarily used in technical or industrial contexts. The phrase implies maximum efficiency with no downtime. In casual conversation, simpler terms like 'フル稼働' (noun) or 'フル稼働させる' (verb) are more common than the full phrase.