easy5 pts · first answer countsreliabilitygraceful-degradation

Planned database maintenance

A database needs a 20-minute maintenance window where writes are not possible. What gives users the best experience?

A.Take the whole site offline for 20 minutesB.Switch the app to read-only mode with a clear noticeC.Accept writes and silently drop themD.Run the maintenance at peak hours to finish quickly

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Planned database maintenance

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