[Launched] Generally Available: Change streams for Azure Cosmos DB for MongoDB (vCore)

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Certainly! Here’s a concise, expert summary of the recent launch and Microsoft Update for Change Streams for Azure Cosmos DB for MongoDB (vCore).

Overview

  • Feature Launch: Change Streams for Azure Cosmos DB for MongoDB (vCore) is now generally available (GA)[1][3][5].
  • Purpose: Enables applications to react instantly to data changes in the vCore-based Azure Cosmos DB for MongoDB.
  • Benefits: Supports real-time scenarios such as live dashboards, alert systems, and reactive applications by streaming database changes directly to your app[2][3][5].

Key Features and Details

  • Real-Time Data Streaming: Change streams allow your application to subscribe to database changes, eliminating the need for continuous polling[2].
  • Cluster Support: Currently supported for single-shard clusters; multi-shard cluster support is in development[2].
  • Limits: Azure Cosmos DB for MongoDB (vCore) enforces a 400 MB limit on change streams; a support request is required to increase this limit[2].
  • Management: Change streams can be enabled or disabled via Azure CLI or ARM templates. Portal support is expected soon[2].
  • Migration: RU to vCore migration is also generally available, providing flexibility for existing customers[4].

Use Cases

  • Live Dashboards: Instantly update dashboards as data changes.
  • Alert Systems: Trigger alerts based on real-time data modifications.
  • Microservices Integration: Enable event-driven architectures by reacting to database events.

Summary Table

| Feature | Details/Status | |------------------------|---------------------------------------------| | Change Streams | GA for Azure Cosmos DB for MongoDB (vCore) | | Limit | 400 MB per stream (support request possible)| | Cluster Support | Single-shard only (multi-shard coming soon) | | Enable/Disable Methods | CLI, ARM templates | | Use Cases | Live dashboards, alerts, reactive apps |

References

  • Official Microsoft DevBlog Announcement: [General Availability of Change Streams in vCore-Based Azure Cosmos DB for MongoDB][1]
  • Microsoft Learn Documentation: [Change Stream on vCore-based Azure Cosmos DB for MongoDB][2]
  • Summary Article: [Change Streams Now Available for Azure Cosmos DB for MongoDB (vCore)][5]

This update empowers developers to build more responsive and scalable applications with real-time data capabilities in the cloud.

อ้างอิงค์ : https://azure.microsoft.com/updates?id=467490

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