azure-cosmos-java
Azure Cosmos DB SDK for Java. NoSQL database operations with global distribution, multi-model support, and reactive patterns. Triggers: "CosmosClient java", "CosmosAsyncClient", "cosmos database java", "cosmosdb java", "document database java".
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Excerpt from the author’s documentation
Extracted from a fixed version of SKILL.md in its original language. This is the author’s documentation; installation, compatibility and runtime results have not been verified by this site.
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Topics in the source
- Azure Cosmos DB SDK for Java
- Installation
- Environment Variables
- Authentication
- Key-based Authentication
- Async Client
- With Customizations
- Client Hierarchy
Client library for Azure Cosmos DB NoSQL API with global distribution and reactive patterns. Or use Azure SDK BOM: | Class | Purpose | |-------|---------| | CosmosClient / CosmosAsyncClient | Account-level operations | | CosmosDatabase / CosmosAsyncDatabase | Database operations | | CosmosContainer / CosmosAsyncContainer | Container/item operations | Choose a partition key with: High cardinality (many distinct values) Even distribution of data and requests Frequently used in queries | Level | Guarantee | |-------|-----------| | Strong | Linearizability | | Bounded Staleness | Consistent prefix with bounded lag | | Session | Consistent prefix within session | | Consistent Prefix | Reads never see out-of-order writes | | Eventual | No ordering guarantee | All operations consume RUs. Check response headers: 1. Reuse CosmosClient — Create once, reuse throughout application 2. Use async client for high-throughput scenarios 3. Choose partition key carefully — Affects performance and scalability 4. Enable content response on write for immediate access to created items 5. Configure preferred regions for geo-distributed applications 6. Handle 429 errors with retry policies (built-in by defa
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- Source repository
- microsoft/skills
- Source file
- .github/plugins/azure-sdk-java/skills/azure-cosmos-java/SKILL.md
- Fixed revision
- 9287b443662d2433c85621c7325ee72a0ce499b5
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Author: Microsoft Skills · original repository metadata. Documentation review: Not reviewed. Last source check: 2026-11-10T19:02:06.191Z.
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