retroactively repair

System-wide undo mechanism provides operators a relaxed fault-tolerant environment and ability to retroactively repair, significantly reducing the difficulty and cost of failures recovery during the daily system management and maintenance, decreasing the MTTR, ultimately improving the dependability of service system.
系統(tǒng)級(jí)的悔改機(jī)制為操作者提供了寬松的容錯(cuò)環(huán)境和回溯修復(fù)的能力,大大降低了系統(tǒng)日常管理維護(hù)期間故障恢復(fù)的難度和代價(jià),減小了MTTR,并最終提高了服務(wù)系統(tǒng)的可靠性。