Azure Cosmos DB 将数据存储划分为一组水平分区或分片。 这样可存储和访问大量数据时提高可伸缩性。 上下文和问题 由单个服务器托管的数据存储会受到以下限制: 存储空间。 用于大规模云应用程序的数据存储预期包含可随时间显着增加的大量数据。 服务器通常仅提供有限的磁盘存储,但可以将现有磁盘替换为存储控件更大的磁...
Azure Cosmos DB 使用分区缩放数据库中的单个容器,以满足应用程序的性能需求。 容器中的项分为不同的子集,称为逻辑分区。 逻辑分区是根据与容器中每个项关联的分区键值形成的。 逻辑分区中的所有项都具有相同的分区键值。例如,某个容器保存项。 每个项具有唯一的 UserID 属性值。 如果 UserID 充当容器中的项的...
Learn about partitioning, logical, physical partitions in Azure Cosmos DB, best practices when choosing a partition key, and how to manage logical partitions.
Cosmos DB designed to scale horizontally based on the distribution of data between Physical Partitions (PP) (think of it as separately deployable underlaying self-sufficient node) and logical partition - bucket of documents with same characteristic (partition key) which is supposed to be stored full...
Custom partitioning enables you to partition the analytical store data on fields that are commonly used as filters in analytical queries resulting in improved query performance.
This article provide an introduction to Azure Cosmos DB and its extensive features including data partitioning, global distribution, elastic scaling, latency, throughput and different service level agreements.It describes how you can design your cosmos db with different collections and relationsh...
The path to tenant id may change in each document type and I am therefore looking at various was of exposing the partition key to Cosmos DB to enable correct partitioning / querying. I have noticed that the Paths property of DocumentCollection.PartitionKey is a collection and was therefore ...
Logical partitions allow the service to provide greater elasticity and better management of data on the underlying physical partitions as you add more partitions. To learn more about partitioning and partition keys, seePartitioning and horizontal scaling in Azure Cosmos DB. ...
Learn how request units function as a currency in Azure Cosmos DB and how to specify and estimate Request Unit requirements.
ve run the test twice, so you can see inFigure 9that two documents were stored in the collection. The first seven properties in the document are the properties I defined. The rest are metadata that Cosmos DB and the relevant APIs use for tasks like indexing, searching, partitioning and ...