Azure Cosmos DB

Have feedback for Azure Cosmos DB product? Submit your idea here or upvote other ideas. All feedback is monitored and reviewed by the Azure Cosmos DB team. 

This site is for feature suggestions only. For technical questions or issues, please submit them to StackOverflow,where we and the community can better help you.

Please use the following categories when submitting your idea.

SQL API: Query language features, syntax using SQL API, indexing, any other core features in Azure Cosmos DB.

Gremlin API: Graph features and capabilities using Gremlin API.

Cassandra API: Features and capabilities using Cassandra API.

MongoDB API: Features and capabilities using MongoDB API.

Table API: Features and capabilities using Table API.

Etcd API: Features related to using etcd as a configuration store for Kubernetes.

Azure Synapse Link: Features related to Azure Cosmos DBanalytical store and Azure Synapse Analytics run-time support

Built-in Notebooks: Features related to built-in Notebooks in Azure Cosmos DB.

SDK: Features related to Azure Cosmos DB SDKs for SQL API.

Change Feed: Features related to Change Feed.

Management: All management features, backup/restore,monitoring, ARM, PowerShell and CLI.

Portal: All features for Azure Portal and Cosmos DB Explorer.

Emulator: Features related to the Azure Cosmos Emulator.

Other: Features not related to any other category.

Security:
Authentication, authorization,permissions and encryption features.

Monitoring:
Metrics, monitoring, alerts,and diagnostics features.

Server-side: Stored procedures, Triggers,and User-Defined Functions.

Managed Apache Cassandra: Featuresand capabilities related to Azure Managed Instance for Apache Cassandra.

How can we improve Azure Cosmos DB?

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  1. Add Change Feed support to Table API mode

    This only stops us from migrating to Cosmos DB :)

    11 votes
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    0 comments  ·  Change Feed  ·  Flag idea as inappropriate…  ·  Admin →

  2. Add Callback handler based on partition key, so polling is not needed/charged RUs


    1. ChangeFeedProcessorBuilder does not support subscribing only to certain PartitionKeys, so it'd be great if you supported that.


    2. If not, I can get by with GetChangeFeedIterator and manual polling (pull model), but that's in preview, so please release that officially.


    3. I believe even in #1, we are charged RUs for polling behind the scenes (correct me if I'm wrong.) So idle host instances are constantly consuming RUs. Is it possible to trigger Cosmos to call the registered callback handler only when something happens on the change feed --for the specified partition key. A trigger replaces polling. Then only charge RUs for…

    1 vote
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    0 comments  ·  Change Feed  ·  Flag idea as inappropriate…  ·  Admin →

  3. Delete notifications for change feed

    Delete notifications for Cosmosdb change feed.

    Problem:
    When deleting an item in Cosmosdb it is not conveyed to the change feed.

    Proposed solution:
    Implement a delete notification in the same manner as for upserts.
    If the deleted item could be conveyed it is good but the id is better than nothing.

    If it helps I wrote a tad more here: https://www.selfelected.com/cosmosdb-change-feed-and-deleted-items/

    90 votes
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    12 comments  ·  Change Feed  ·  Flag idea as inappropriate…  ·  Admin →

  4. Please add feature that trigger Azure function, when when data is inserted only

    At now, there is feature that trigger Azure function, when when data is inserted or modified.
    Please add feature that trigger Azure function, when when data is inserted only.

    1 vote
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    0 comments  ·  Change Feed  ·  Flag idea as inappropriate…  ·  Admin →

  5. Support filters (queries) on the Change Feed

    For some advanced scenarios and for performance reasons, support filters (queries) on the Change Feed

    295 votes
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    9 comments  ·  Change Feed  ·  Flag idea as inappropriate…  ·  Admin →

  6. First Class Support for Create/Update Differentiation w/i ChangeFeed

    Add a mechanism to determine the type of change feed event being processed. Actions (e.g. Create/Update/Delete) should be accessible via the FeedResponse<T> (for the .net SDK) for each document.

    In addition, CreateDocumentChangeFeedQuery should allow for filtering by these new action types (w/i the DB). Perhaps other [document-level] criteria should be supported too.

    93 votes
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    8 comments  ·  Change Feed  ·  Flag idea as inappropriate…  ·  Admin →
    started  ·  AdminAzure Cosmos DB Team (Product Manager, Microsoft Azure) responded

    Update: The ETA for this has not been set. This is actively being worked on but cannot provide ETA.

    Our apologies again. We are looking forward to shipping this feature.

    Thanks.

    Quick update. Apologies for the long time on this. We are looking to ship this in Spring 2020.

    Thanks.

  7. Execute a procedure when TTL expires

    I would like to execute a procedure when TTL expires. For example, when TTL expires I would like to also delete some related records from Azure table storage.

    204 votes
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    11 comments  ·  Change Feed  ·  Flag idea as inappropriate…  ·  Admin →
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