[[["易于理解","easyToUnderstand","thumb-up"],["解决了我的问题","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["很难理解","hardToUnderstand","thumb-down"],["信息或示例代码不正确","incorrectInformationOrSampleCode","thumb-down"],["没有我需要的信息/示例","missingTheInformationSamplesINeed","thumb-down"],["翻译问题","translationIssue","thumb-down"],["其他","otherDown","thumb-down"]],["最后更新时间 (UTC):2025-04-22。"],[[["Firestore in Datastore mode offers features for disaster recovery, including data replication across multiple zones in regional and multi-regional locations to protect against infrastructure outages."],["Datastore mode automatically manages data replication, with multi-region databases providing 99.999% availability and regional databases offering 99.99% availability, without requiring extra configuration."],["Scheduled backups can be set up to protect against data disasters, with retention periods up to 14 weeks, allowing restoration to a new database."],["Point-in-time recovery (PITR) allows reading data from up to seven days in the past, with a granularity of 1 minute, providing a recovery time objective of 0 and a recovery point objective of 1 minute."],["For longer data retention needs beyond 14 weeks, PITR data exports can create full database exports to Cloud Storage, useful for archiving, though they are more expensive than backups for recovery."]]],[]]