documentdb-high-availability
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ChineseHigh Availability & Replication — Azure DocumentDB
高可用性与复制 — Azure DocumentDB
Azure DocumentDB's HA model uses in-region standby physical shards and active-passive cross-region replica clusters. Documented SLAs:
- 99.99% — HA enabled
- 99.995% — HA + cross-region replica
Azure DocumentDB的高可用（HA）模型采用区域内备用物理分片和主备跨区域副本集群。已记录的服务级别协议（SLA）：
- 99.99% — 启用HA
- 99.995% — HA + 跨区域副本
Rules
规则
- ha-enable-for-production — Enable HA on all production clusters for the 99.99% SLA and automatic failover.
- ha-cross-region-replica — Add an active-passive cross-region replica for DR and read scale-out; HA + replica = 99.995% SLA.
- ha-enable-for-production — 在所有生产集群上启用HA，以获得99.99%的SLA和自动故障转移能力。
- ha-cross-region-replica — 添加主备跨区域副本用于灾难恢复（DR）和读取横向扩展；HA + 副本 = 99.995%的SLA。