noun
mean time between failures; MTBF
Technical term used in reliability engineering and computing to measure the average time a system operates before failing.
このサーバーの平均故障間隔は10万時間です。
The MTBF of this server is 100,000 hours.
Mean time to repair (MTTR), the average time needed to fix a failure, often used together with MTBF.
Compound of 平均 (average), 故障 (failure), and 間隔 (interval). A direct translation of the English term 'mean time between failures'.