What is New in Azure Cosmos DB Javascript SDK v4 (GA)
What is New in Azure Cosmos DB Javascript SDK v4 (GA)
I'm Sajee
www.sajeetharan.dev
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I'm Aman Rao
const profile = {
role: "Software Engineer",
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connect: () => console.log("Interested in Javascript/Web ? Let's talk! 🚀")
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Today's Goals
👍Explore Azure Cosmos DB JavaScript SDK
👍What's new with Azure Cosmos DB JS SDK V4
👍 Let's see in Action
👍Be ready to ask questions
The Developer’s Struggle
We' all Have been there!
Slow Setup: Staring at a database that takes
forever to set up.
Performance Issues: Struggling with inconsistent
query performance.
Complex SDKs: Wrestling with SDKs that require
a PhD to understand.
Meet Your Sidekick, Azure Cosmos DB AND the JavaScript SDK
Azure Cosmos DB Javascript SDK
Fluent API Design
Advanced features
Enhanced Developer Experience
Fully Opensource
"Build blazing-fast, planet-scale apps with familiar Node.js / Javascript experience"
- Feedback driven development
- OSS Development practices
- Project management via Github
- Fast and Async
- Simplified syntax and async iterators
- New samples
- Easy setup
- User friendly Methods
- Highlights benefits of Typescripts
- User centric design changes (ex. Diagnostics, Bulk API etc)
Azure Cosmos DB JS SDK powers!
Internal tools :
- Azure Cosmos DB Explorer,
- Emulator Data Explorer,
- VS Code Extension for Azure databases
Community packages (OSS):
- Nestjs - Azure-databases
- NOSQL studio
- Hasura GraphQL connector
- Cosmox
JavaScript SDK Evolution
basic CRUD, Support consistency levels, query metrics etc
documentdb (v1)
multi-region support, improved performance
@azure/cosmos (v4)
azure-cosmos-js (v2)
@azure/cosmos (v3)
improved client constructor, simplified syntax, async iterators, Transition from callback to promises
Request diagnostics, Changefeed , AI (vector search, Full text search), new Bulk API etc
Key features of V4 (GA)
Efficient Bulk Operations
- Support migration scenarios, bulk ingestion
AI enhanced capabilities
- Hybrid search, Full text search, Vector search
Changefeed Support
- Listen to document updates
Client Side Encryption
- Define a protected data encryption key and apply encryption policies directly in container operations.
Diagnostics Support
- Enhanced insights into your client operations,
Let's see in Action
Prerequisites ✅
- Node.js (LTS version) installed
- Azure Cosmos DB account (NoSQL API) / Azure Cosmos DB emulator
- VS Code (or any code editor)
Demo walk through!
https://aka.ms/cosmos-js-v4-sample
Best Practices to Remember
👍Make sure to have the app in same region as azure cosmosdb account
👍Always use the latest version of SDK
👍Use single instance of Cosmos Client /Singleton
👍Enable diagnostic logging in case of failures/latency
Next steps
Build apps with latest Javascript SDK and report issues with the tag cosmos
We value your feedback : https://aka.ms/azurecosmos-js
Join the next episode in this series to learn about Best practices with Javascript SDK
Feedback or Questions , reach out cosmosdb-js-sdk@microsoft.com