Cosmos DB allows developers to choose between five well-defined consistency models along the consistency spectrum. Strong, Bounded staleness Session (Default Consistency) Consistent prefix Eventual Strong Consistency This is the strongest form of the consistency. It ensures that the requested data is ...
Azure Cosmos DB对于数据一致性提供了更细粒度(granular)的选择。用户可以根据自己的实际可用性和性能的需求来选择合适的一致性级别。 下图即为Azure Cosmos DB提供的一致性级别。包括强一致性strong,有界延迟一致性bouded staleness, 会话一致性session, 固定前缀一致性consistent prefix, 最终一致性eventual consistency. ...
Azure CosmosDB有五种一致性级别,从数据一致性角度来说,我们按照最强的一致性,到最低的一致性,排序如下: 1.Strong (强一致性) 2.Bounded Staleness 3.Session (会话一致性) 4.Consistent prefix (一致性前缀) 5.最终一致性 (Eventual Consistency) 每一种级别都在一致性(Consistency)可用性(Availability)和性能(...
Learn how request units function as a currency in Azure Cosmos DB and how to specify and estimate Request Unit requirements.
Learn how request units function as a currency in Azure Cosmos DB and how to specify and estimate Request Unit requirements.
You can configure the default consistency level on your Azure Cosmos DB account at any time. The default consistency level configured on your account applies to all Azure Cosmos DB databases and containers under that account. All reads and queries issued against a container or a database use ...
You can configure the default consistency level on your Azure Cosmos DB account at any time. The default consistency level configured on your account applies to all Azure Cosmos DB databases and containers under that account. All reads and queries issued against a container or a database use the...
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DocumentDB evolved to become a globally distributed database with some extraordinary features. Besides the ease with which it can be distributed globally, its consistency models have been realigned so that there’s more to choose from than just strong and eventual. Between those two extremes, users...
Azure Cosmos DB for NoSQL Java SDK V4 enables you to extract and represent information related to database, container, item, and query operations using theDiagnosticsproperty in the response object of a request. This property contains information such as CPU and memory levels on the compute host...