HDR：高可用性数据复制辅助服务器。
例如，备份和恢复设施(包括用于故障恢复的高可用性数据复制)都支持xml列中存储的文档。
For example, backup and restore facilities — including high availability data replication for failover situations — all support documents stored in XML columns.
复制碎片是主碎片中所有数据的备份副本，它们的主要目的是从主碎片失败中恢复，提供高可用性。
Replica shards are backup copies of all the data in the primary shard, and their main purpose is to recover from a primary shard failure to provide high availability.
InfoSphereCDC还提供数据转换、筛选、复制功能和高可用性。
InfoSphere CDC also provides functions for data translation, filtering, replication, and high availability.
在传统的数据库部署中数据库复制技术常常被用来达到高可用性。
In traditional database deployments database replication techniques are commonly used to achieve high availability.
OracleNoSQLDatabase是一种键-值数据存储，设计时考虑到了高扩展性和高可用性，并可部署于多个互相复制的节点上，以便进行快速故障切换及负载均衡。
The Oracle NoSQL Database is a key-value datastore designed for high scalability and availability, and deployed on multiple replicated nodes for rapid failover and load balancing.
此外，高可用性正变得越来越可扩展事务数据库系统的关键，通常是通过复制和实现自动故障转移在一个崩溃的情况下。
In addition, high availability is becoming ever more crucial in scalable transactional database systems, and is typically accomplished via replication and automatic fail-over in the case of a crash.
此外，高可用性正变得越来越可扩展事务数据库系统的关键，通常是通过复制和实现自动故障转移在一个崩溃的情况下。
In addition, high availability is becoming ever more crucial in scalable transactional database systems, and is typically accomplished via replication and automatic fail-over in the case of a crash.
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