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.
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  1. Implement all of Gremlin's steps

    REALLY missing things like hasNext, tryNext, from, and to. It is really difficult getting around using these steps. Its hard to get around the fact that AWS already has a robust Gremlin offering that includes a more fully featured Gremlin implementation.

    1 vote
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    1 comment  ·  Gremlin API  ·  Flag idea as inappropriate…  ·  Admin →
  2. Azure portal Data Explorer works poorly with databases with both docdb and gremlin collections.

    We use a mix of gremlin and docdb collections in a gremlin api database (one per tenant). We initially started with 2 databases per tenant, one for gremlin and one for docdb, but this was just to much too manage, too expensive, etc. The only problem with this is the Data Explorer does not support it. It does not show documents for docdb collections so no way to add, delete, edit documents from Data Explorer. Instead we are using 3rd party tool CosmosDbExplorer that overcome this limitation, but it feels unnecessary complicated.

    1 vote
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    0 comments  ·  Gremlin API  ·  Flag idea as inappropriate…  ·  Admin →
  3. orchestration for ETL processing for cosmos db gremlin API

    Dataware house concept - from on premise database to cosmos db germlin API to load data in to different stages into cosmos db germlin API.I didn't find orchestration component for this .Can you please suggest ?

    1 vote
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    0 comments  ·  Gremlin API  ·  Flag idea as inappropriate…  ·  Admin →
  4. Support multiple labels on vertices and allow searching by one of those labels

    In order to represent inheritance in the graph DB, it is useful to have multiple labels on vertices and to be able to search by one of them, e.g.:

    V1 labels = "human | man"
    V2 labels = "human | woman"

    a query for all "human" returns both V1 and V2,
    whereas a query for all "man" returns V1 only.

    Currently, this is possible in Neo4j:
    https://tinkerpop.apache.org/docs/current/reference/#multilabel

    17 votes
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    0 comments  ·  Gremlin API  ·  Flag idea as inappropriate…  ·  Admin →
  5. Gremlin bulk executor for java library

    Gremlin bulk executor is available only for .NET library, please add support for java library.

    3 votes
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    0 comments  ·  Gremlin API  ·  Flag idea as inappropriate…  ·  Admin →
  6. Native Dijkstra and A* implementation

    Be able to run Dijkstra or A* algorithms on the Cosmos DB Gremlin graph. There is a severe lack of documentation on this despite it being a common use of graphs.

    6 votes
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  7. Gremlin bulk executor for python library

    Will the bulk executor be available for python?
    such as bulk (create / update / delete) vertices and edges

    11 votes
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    0 comments  ·  Gremlin API  ·  Flag idea as inappropriate…  ·  Admin →
  8. Tail() Gremlin step support

    Create an empty graph and add the following with partition as a.

    g.addV('person').property('a','1').property('name','person 1').property('number',1)
    g.addV('person').property('a','1').property('name','person 2').property('number',2)
    g.addV('person').property('a','1').property('name','person 3').property('number',3)

    Then run the following:
    g.V().order().by('number')
    returns: person 1, person 2, person 3
    g.V().order().by('number').tail(1)
    returns: person 1

    ​This is not expected result as it should return person 3. But when the property is used to run the same thing or use the query with fold()/unfold() before .tail()

    g.V().order().by('number').properties('name')
    returns: person 1, person 2, person 3
    g.V().order().by('number').properties('name').tail(1)
    returns: person 3

    1 vote
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    under review  ·  0 comments  ·  Gremlin API  ·  Flag idea as inappropriate…  ·  Admin →
  9. Partition keys should propagate to newly created vertices

    Assume a pre-existing graph whose vertices are on different partitions (and thus have different partition keys).

    Now, consider adding new vertices through new edges in bulk through the Gremlin API, e.g. like this:

    g.V().addE('l').to(__.addV('newVertex').property('PartitionKey', 'p')

    This would work just fine but it would possibly place the source and sink vertices into different partitions. If we would want them to remain on the same partition, we're currently lost with CosmosDB.

    The Tinkerpop API allows the property-step to specify a traversal, so the following query is actually possible in the Tinkerpop reference implementation and would solve the issue:

    g.V().as('source').addE('l').to(.addV('newVertex').property('PartitionKey', .select('source').id())

    This…

    2 votes
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    under review  ·  0 comments  ·  Gremlin API  ·  Flag idea as inappropriate…  ·  Admin →
  10. DATA QUALITY: Please support graph transactions.

    Today, if a traversal fails at step n of m, figuring out what state the graph is in is quite a chore. As a result, all data modification traversals have to be written to support retries. Unfortunately, if the retrying component fails, the network fails, or something else fails, which prevents retry, the graph is left in an unknown state.

    2 votes
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    1 comment  ·  Gremlin API  ·  Flag idea as inappropriate…  ·  Admin →

    Hello and thank you for your suggestion.

    While Cosmos DB provides support for transactions within a partition, we do not have support multi-step, cross-partition or distributed transactions.

    We recommend to customers requiring transactions across multi-step operations to coordinate these using the consistency model and optimistic concurrency control.

    Thank you for your suggestion.

  11. DATA QUALITY: Please allow for properties to be set using a subquery

    The use case here is incrementing the reply count property on a post vertex. To increment, we have to fetch the post vertex, increment the reply count property within our API, then update the graph with the new property value. Unfortunately, if multiple users reply simultaneously using different instances of our API, the reply count value is set incorrectly. Sending a query to the database and letting the server make the updates by calculating the value would address the issue.

    9 votes
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    1 comment  ·  Gremlin API  ·  Flag idea as inappropriate…  ·  Admin →
  12. Please add the none step.

    When we create or update vertices and edges, we don't need the results from the traversal. Having the results filtered out server-side saves resources.

    3 votes
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    0 comments  ·  Gremlin API  ·  Flag idea as inappropriate…  ·  Admin →
  13. Integrate existing Janus GraphDB application with Azure Cosmos DB API for Gremlin and Open Service Broker for Azure

    I read a post on how to Integrate existing MongoDB application with Azure Cosmos DB API for MongoDB and Open Service Broker for Azure, https://docs.microsoft.com/en-us/azure/aks/use-cosmosdb-osba-mongo-app, and I start to think is it possible same technique could be adopt to janus graph->COSMOSDB graph?

    4 votes
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    unplanned  ·  1 comment  ·  Gremlin API  ·  Flag idea as inappropriate…  ·  Admin →
  14. [Gremlin] Paging Support

    Please add paging support for Cosmos Graph DB via the Gremlin API. Traversing the whole graph for a large set of vertices can be very expensive. Paging would allow better efficiency when targeting a subset of a large set of vertices.

    45 votes
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    under review  ·  1 comment  ·  Gremlin API  ·  Flag idea as inappropriate…  ·  Admin →
  15. Use a domain ontology (RDF/OWL) as a scheme in Graph DB?

    In Cosmos Graph DB, I would like to be able to import a domain ontology (RDF/OWL) as a scheme to model data.

    28 votes
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    1 comment  ·  Gremlin API  ·  Flag idea as inappropriate…  ·  Admin →
  16. 1 vote
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    under review  ·  0 comments  ·  Gremlin API  ·  Flag idea as inappropriate…  ·  Admin →
  17. To be upto date version of TinkerPop in Azure Cosmos Graph DB

    Apache TinkerPop Graph released v3.4.2 on 28th May 2019, but it seems that Azure Cosmos DB graph is still supporting the v3.2 which was released a year back from today. Azure Cosmos Graph DB should be upto date to support the latest version of Apache TinkerPop Graph.

    TinkerPop v3.4 supports various features like having support of min and max operations on comparable like string.

    21 votes
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    0 comments  ·  Gremlin API  ·  Flag idea as inappropriate…  ·  Admin →

    Hello and thanks for your request. We support 3.4 from a driver and connectivity perspective but there are a number of features we haven’t implemented such as min and max on non-decimal values.

    These are currently on our backlog to implement so will mark this as unplanned for now which will keep this request open. When this moves off of our backlog we will mark this as planned and update you here.

    Thank you.

  18. Allow shortestPath and sum steps

    I want to make traversals finding the shortest path between one or more vertices. I need to be able to use shortestPath step or at least have sum step to sum up the edge weights to accomplish this.

    15 votes
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    2 comments  ·  Gremlin API  ·  Flag idea as inappropriate…  ·  Admin →
  19. Support multi-properties in GraphBulkExecutor.

    Gremlin API, supports:
    Multiple properties (multi-properties): a vertex(edge) property key can have multiple values. For example, a vertex can have multiple "name" properties.

    Properties on properties (meta-properties): a vertex(edge) property can have properties (i.e. a vertex property can have key/value data associated with it).

    So, now it's impossible to upload data with such properties with GraphBulkExecutor.

    6 votes
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    0 comments  ·  Gremlin API  ·  Flag idea as inappropriate…  ·  Admin →
  20. 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.

    13 votes
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