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.

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

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.
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  1. Cosmos support of Mongo API

    Currently, in Azure, we have Logic Apps, and in Cosmos, there are stored procedures, and many other features to which I am unaware. If you are using an SQL API, then you can utilize the power of Logic Apps and Stored Procedures, but if you using the Mongo API, then all of these features are lost, and your only choice is to use lambdas.

    Support of the Mongo API would be fantastic. Think of the power of being to Mongo, but so much more. For example, Mongo does not support Stored Procedures. But imagine if I used Cosmos, and I…

    3 votes
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    0 comments  ·  MongoDB API  ·  Flag idea as inappropriate…  ·  Admin →
  2. Move RU throughput allocation from Collections to Database Level and viceversa

    We have multiple databases with many collections and would like to move the throughput allocation from single collections to Database level without recreating it and migrating everything.

    44 votes
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    5 comments  ·  Other  ·  Flag idea as inappropriate…  ·  Admin →
  3. 12 votes
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    0 comments  ·  Table API  ·  Flag idea as inappropriate…  ·  Admin →
  4. Extend Bulk Executor to cover Cosmos Db Table Api

    Bulk Executor api is very powerful but does only support Document db. We would ideally want to use Table api because Document db api does not support OData. But we also work with a high throughput in a big data pipeline where we use Bulk Ingestor api to do the data ingestion which does not work in Table api. It would be nice to have same bulk ingestion functionality for Table api

    4 votes
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    0 comments  ·  SDK  ·  Flag idea as inappropriate…  ·  Admin →
  5. Allow us to define global unique keys across all partitions

    Unique keys are scoped to partitions, but this makes it challenging to store data that's supposed to be globally unique like email address or mobile number. I ended up creating a traditional SQL Server table for this, but I'd like to migrate it to Cosmos DB.

    14 votes
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    1 comment  ·  SQL API  ·  Flag idea as inappropriate…  ·  Admin →
  6. Filtered unique indexes

    I need my unique indexes to work when a soft delete flag is set to zero so that only the active records will participate in the uniqueness constraint per partition. This also makes it easier to determine deleted records in the Change Feed.

    23 votes
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    0 comments  ·  SQL API  ·  Flag idea as inappropriate…  ·  Admin →
  7. Add geospatial aggregate functions like ConvexHullAggregate

    Looking for a way to compute the bounding box of some features based on a query. For example SQL has https://docs.microsoft.com/en-us/sql/t-sql/spatial-geography/convexhullaggregate-geography-data-type?view=sql-server-2017

    Of course I can download all the documents and compute this, but I think it would be more efficient to let Cosmos DB perform the calculation on the server.

    1 vote
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    0 comments  ·  SQL API  ·  Flag idea as inappropriate…  ·  Admin →
  8. Add support for sack

    Currently GraphAPI has almost no support for doing operations while traversing or listing vertices, like combining vertex properties with weights (edge property) as you traverse. Math is not supported, and often times an alternative would be to use a sack, but that is also not supported. So there is really no workaround.

    10 votes
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    1 comment  ·  Gremlin API  ·  Flag idea as inappropriate…  ·  Admin →
  9. Support Table API queries from PowerBI

    Currently, I can't query Table Storage in Azure Cosmos DB from Power BI. I have a lot of useful data stored there but I can't report on it.

    6 votes
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    0 comments  ·  Table API  ·  Flag idea as inappropriate…  ·  Admin →
  10. Gremlin Graph: Add support for array values in group() and groupCount()

    You should be able to group by an array of values. it is perfectly valid to do a group() or groupCount() like so:

    g.V().groupCount().by(values('id','name').fold())

    Other Graphs implementing Gremlin will give you a result, while CosmosDB fails with:

    "Unexpected Error: Cannot resolve object to a primitive value."

    13 votes
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    1 comment  ·  Gremlin API  ·  Flag idea as inappropriate…  ·  Admin →
  11. Graph Gremlin query supports GeoJSON

    Does Cosmos DB supports GeoJSON for Graph Gremlin query?

    1 vote
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    0 comments  ·  Gremlin API  ·  Flag idea as inappropriate…  ·  Admin →
  12. Support View objects similar to MongoDB

    Create the capability to create views similar to MongoDB database. Views are very useful when is required to do aggregation operations, lookups in different tables as well.

    2 votes
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    0 comments  ·  MongoDB API  ·  Flag idea as inappropriate…  ·  Admin →
  13. Filter by NULL

    Be able to return values from Table Storage where a records have a NULL, in a column.

    3 votes
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    0 comments  ·  Table API  ·  Flag idea as inappropriate…  ·  Admin →
  14. Configure RU per region

    For a database/collection that is made available in several regions, make it possible to provision RU capacity independently in each region. Use case: Secondary backup region that exists only as an up-to-date mirror of data in case the primary becomes unavailable, not to offload read operations under normal operation. Currently this means provisioning unused RU capacity, at a high cost, in the secondary region.

    49 votes
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    2 comments  ·  Other  ·  Flag idea as inappropriate…  ·  Admin →

    Hi Magnus. This is currently unplanned by us for our road map. Some context and feedback for you on this.

    First, to do the replication itself to the secondary region you need RU/s sufficient to support the request rates for the primary region itself. Replication and writing to the secondary region itself is not free so there needs to be sufficient throughput provisioned to do that.

    Second, for the secondary region to be able to function as the primary should a fail over occur, the replica region itself needs sufficient throughput to function as the primary.

    Thanks again for your suggestion. Will mark as unplanned for now in case circumstances ever do change.

  15. Able to view entire graph in the data explorer

    I would like to be able to view my entire graph in the data explorer. At least this should be possible for small graphs. Right now as you traverse, the explorer removes the previous nodes from the graphical view. This is really a pain for small graphs where you want to view the complete the picture. I can understand the new for big graphs but for small ones you should allow displaying the entire graph.

    Also, it should be possible to view edge properties on the data explorer without looking at the tab view.

    1 vote
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    0 comments  ·  Gremlin API  ·  Flag idea as inappropriate…  ·  Admin →
  16. Support for transactions via Mongo 4.0 API

    Mongo 4.0 incl transactions has been released: https://www.mongodb.com/transactions.
    CosmosDB should support Mongo 4.0 API (including transactions)

    232 votes
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    9 comments  ·  MongoDB API  ·  Flag idea as inappropriate…  ·  Admin →
  17. DocumentDB Data Migration Tools needs to handle larger number of operations per batch

    The DocumentDB Data Migration Tool should be able to handle any large amount of operations required in migrating data.

    3 votes
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    0 comments  ·  Other  ·  Flag idea as inappropriate…  ·  Admin →
  18. Need way to create collections via the Mongo DB API with a specified RU throughput

    Developers using the MongoDB API should be able to programmatically create collections of a given RU throughput, similar to the capability that the DocumentDB API already provides.

    4 votes
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    0 comments  ·  MongoDB API  ·  Flag idea as inappropriate…  ·  Admin →
  19. CosmosDB Graph API should support array types inside Gremlin properties

    Currently, the CosmosDB Graph API does not support array types inside of Gremlin properties. This forces users to rebuild their graph models to match what the Graph API requires. The CosmosDB Graph API should support array types inside of Gremlin properties.

    31 votes
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    3 comments  ·  Gremlin API  ·  Flag idea as inappropriate…  ·  Admin →
  20. Table Strorage JAVA SDK Performance Tuning

    Table Storage JAVA SDK does not provide concurrency option for any of its operation. We are getting TPS of around 500 for table insert queries but it is also because we have designed our data model such that.
    Async functionality is available for Table Storage C sharp SDK but not for JAVA SDK.
    It would be good if there is concurrency option for Table Storage Java SDK.

    1 vote
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    0 comments  ·  Table API  ·  Flag idea as inappropriate…  ·  Admin →
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