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.
  • Hot ideas
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  1. 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 →
  2. 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 →
  3. 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.

    53 votes
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    3 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.

  4. 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 →
  5. 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)

    265 votes
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    11 comments  ·  MongoDB API  ·  Flag idea as inappropriate…  ·  Admin →
  6. 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 →
  7. 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 →
  8. 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.

    34 votes
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    3 comments  ·  Gremlin API  ·  Flag idea as inappropriate…  ·  Admin →
  9. 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 →
  10. Implement a GraphQL Provider (repost)

    (Previous post with the same title was closed without giving the correct solution.)

    graphql {http://graphql.org/} is becoming increasingly adopted by front end frameworks (including mobile) for querying backend / API data.

    Rather than having to translate each graphql query into a DocumentDB client call it would be optimal and very powerful to issue the query directly.

    It would also provide enhanced query abilities over the existing REST approach.

    41 votes
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    1 comment  ·  Other  ·  Flag idea as inappropriate…  ·  Admin →
  11. Add a json data type

    I have json data i dont need to query but would like to be able to persist to a vertex. In my particular case the json is data for a client side quilljs editor. I dont need to be able to query or manipualte it on the server only retrieve it.

    9 votes
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    2 comments  ·  Gremlin API  ·  Flag idea as inappropriate…  ·  Admin →
  12. Support Pandas DataFrame

    Support saving pandas data frames directly to Tables.

    43 votes
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    0 comments  ·  Table API  ·  Flag idea as inappropriate…  ·  Admin →
  13. Microsoft join and support GQL

    I think it would be a great benefit for Cosmos DB to support the new movement to get to a single Graph Query Language. Microsoft joining this movement might help in rapid evolution and acceptance of such a language.

    Taken from https://neo4j.com/blog/time-for-single-property-graph-query-language/:

    The time has come to create a single, unified property graph query language.

    Different languages for different products help no one. We’ve heard from the graph community that a common query language would be powerful: more developers with transferable expertise; portable queries; solutions that leverage multiple graph options; and less vendor lock-in.

    One language, one skill set.

    62 votes
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    1 comment  ·  Gremlin API  ·  Flag idea as inappropriate…  ·  Admin →
  14. Pricing Granularity per Minute instead of per Hour

    It is buried in the FAQ;s on the pricing page. The current billing structure will take the largest RU offer in a given hour increment and that's what is charged for that hour. If you scale up to 1000RU's at 10:59 and down to 400 at 11:01, the billing for both hours will be @ 1000RU's. This makes scaling up and down harder to deal with and reason about. Can you evaluate changing the billing granularity down to the minute level in order to allow shorter bursts of scale up / down billed for the actual usage.

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

    Thanks for your suggestion. Currently, we don’t have anything planned in changing our billing meter from hour to minute. But will leave this request open and will include this in future planning discussions for our roadmap.

    Thank you for your suggestion.

  15. Support multiple collections in stored procedures

    Currently CosmosDB Stored procedures only allow access to a SINGLE collection (because they seem to be scoped to collections rather than to the database), via getContext() :

    var collection = getContext().getCollection();

    But any "useful" / "real-life" application using ComosDB will typically have to interact with more than one collection. For example, it is currently IMPOSSIBLE to insert documents into two distinct collections within a database using a single stored procedure -- a VERY SERIOUS drawback / limitation.

    I would propose that stored procedures be scoped to the database level and then we would be allowed to do something like:

    var…

    155 votes
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    7 comments  ·  SQL API  ·  Flag idea as inappropriate…  ·  Admin →
  16. Include stored procedures and udfs and triggers as part of Data Migration export

    Include stored procedures, udf's and triggers as part of Data Migration export for document db

    1 vote
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    1 comment  ·  SQL API  ·  Flag idea as inappropriate…  ·  Admin →
  17. 4 votes
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    0 comments  ·  SQL API  ·  Flag idea as inappropriate…  ·  Admin →
  18. monitor and kill queries

    Add ability to monitor (ie. see SQL query) and kill long running user queries from within Data Explorer.

    18 votes
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    3 comments  ·  Portal  ·  Flag idea as inappropriate…  ·  Admin →
  19. Support for Graph API in Data Migration tool

    Looking for a way to do backup/restore or manual export/import of a Cosmos DB graph using Graph API - or equivalent.
    I want to be able to restore state of a database while developing and found that Data Migration tool can do what I want, but does not support Graph API.

    64 votes
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    2 comments  ·  Gremlin API  ·  Flag idea as inappropriate…  ·  Admin →
  20. Gzip query response

    When data is returned from DocumentDb it does not respect the Accept-Encoding header. The DocumentDb SDK actually adds the Accept-Encoding header to the request but DocumentDb ignores it and does not compress the response data. For clients like Mobile (and even API requests) this would be an incredible savings for queries.

    8 votes
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    1 comment  ·  SQL API  ·  Flag idea as inappropriate…  ·  Admin →
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