79 results found

1. Allow to set default maxTimeMS for all cursors

   By default, a cursor has no maxTimeMS.

   We want to be able to set the default maxTimeMS so all cursors have it set. The current Java driver does not allow to set that default and each cursor needs it manually specified. I.e. a cursor factory or default options would be great.

   Alternatively, it would also be great to have this as an option on the cluster itself.

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2. Add a function for determining if a connection object is still healthy

   If an application needs to cache database connections to MongoDB. It would be helpful to have a function to call when retrieving a cached database connection. This function would ensure the connection is healthy before use. It could just return a boolean and allow the client application to handle a bad connection accordingly.

   Using a disconnected event handler is not always reliable especially with FaaS serverless functions.

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3. pymongoarrow replaces existing codecs

   The api.write() method replaces any existing codecs.

   The collection TypeRegistry is replaced with a new instance, effectively removing any existing custom codecs.
   https://github.com/mongodb-labs/mongo-arrow/blob/1.6.0/bindings/python/pymongoarrow/api.py#L419

   A related issue is that pymongoarrow uses pyarrow.to_pylist() to convert a pyarrow.Table to Python objects as an intermediate step before converting to raw BSON.

   Pyarrow converts Arrow decimal128 types to Python Decimal objects. However, BSON cannot handle Decimal types, necessitating the use of a custom codec.
   https://github.com/mongodb-labs/mongo-arrow/blob/1.6.0/bindings/python/pymongoarrow/api.py#L385

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4. pymongoarrow replaces existing codecs

   The api.write() method replaces any existing codecs.

   The collection TypeRegistry is replaced with a new instance, effectively removing any existing custom codecs.
   https://github.com/mongodb-labs/mongo-arrow/blob/1.6.0/bindings/python/pymongoarrow/api.py#L419

   A related issue is that pymongoarrow uses pyarrow.to_pylist() to convert a pyarrow.Table to Python objects as an intermediate step before converting to raw BSON.

   Pyarrow converts Arrow decimal128 types to Python Decimal objects. However, BSON cannot handle Decimal types, necessitating the use of a custom codec.
   https://github.com/mongodb-labs/mongo-arrow/blob/1.6.0/bindings/python/pymongoarrow/api.py#L385

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5. pymongoarrow replaces existing codecs

   The api.write() method replaces any existing codecs.

   The collection TypeRegistry is replaced with a new instance, effectively removing any existing custom codecs.
   https://github.com/mongodb-labs/mongo-arrow/blob/1.6.0/bindings/python/pymongoarrow/api.py#L419

   A related issue is that pymongoarrow uses pyarrow.to_pylist() to convert a pyarrow.Table to Python objects as an intermediate step before converting them to raw BSON.

   Pyarrow converts Arrow decimal128 types to Python Decimal objects. However, BSON cannot handle Decimal types, necessitating the use of a custom codec.
   https://github.com/mongodb-labs/mongo-arrow/blob/1.6.0/bindings/python/pymongoarrow/api.py#L385

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6. Provide an event for collecting schema validation, with validation Action as a warning.

   We are looking for a method for collecting data related to scheme validation issues for logging in the c# driver. Currently, we can set schema validation to error and capture the issue using mongo write exceptions. However, we don't want to restrict the data write, but rather capture the invalid document in the logs to determine the root cause.

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7. Add support for tlsAllowInvalidCertificates

   We use mongodb replicaset with encryption in-flight enabled (tls=true), but we don't require client certificates. For mongosh and c# drivers there is a parameter tlsAllowInvalidCertificates which let us DONT use any certificates including root CA certificate.

   But java driver does not support this parameter. which creates extra complexity to maintain java applications.

   Can we add support of this parameter to java drivers as well ?

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8. Asynchronous variant of MongoDB C Driver

   Add async API on the C Driver.

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   started  ·  AdminRishabh Bisht (Product Manager, MongoDB) responded

   We have started a formal investigation on adding async APIs in MongoDB C Driver. 

   If you have any suggestions or willing to test our prototypes and share feedback, please comment here or reach out to me (rishabh dot bisht at mongodb.com). 

9. ODBC drivers for Red Hat systems

   As we do not have any ODBC Driver versions available for RedHat OS, we require an ODBC driver compatible with RHEL 8 and above.

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10. Workload Identity Federation Support

    Workload Identity Federation is supported since Mongo 7.0 on Atlas. Ruby is still missing from the supported drivers though https://www.mongodb.com/docs/atlas/workload-oidc/#connect-an-application-to-mongodb-with-workload-identity-federation.

    Add support to connect using WIF on the ruby-driver.

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11. Atlas SQL - Provide 32-bit ODBC Driver

    MongoDB is transitioning away from the BI Connector for Atlas to Atlas SQL. The BI Connector will be deprecated by June 2025.

    Moving to Atlas SQL ODBC driver is fine, however the ODBC driver is available only for 64-bit.

    I know we are in 2024 but there are still 32-bit applications, e.g. our MS-Office is still 32-bit. If I like to query MongoDB in Excel or Access, I need a 32-bit ODBC driver to do that.

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12. getMore retries support for autoscalling feature

    its not possible use https://motor.readthedocs.io/en/stable/api-tornado/cursors.html#motor.motor_tornado.MotorCursor.to_list and https://pymongo.readthedocs.io/en/stable/api/pymongo/cursor.html#pymongo.cursor.Cursor with autoscalling feature :(

    https://www.mongodb.com/docs/manual/core/retryable-reads/#unsupported-read-operations

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13. Golang Driver - MongoDB-AWS Authentication support for any short-lived STS token

    The Golang driver supports "MONGODB-AWS" AuthMechanism when you have:

    • a AWS_WEB_IDENTITY_TOKEN_FILE and ROLE_ARN environment variable, eg when supplied by IAM Roles for Service Accounts (IRSA), typical in Kubernetes clusters (assume_role_provider)
    • a AWS_CONTAINER_CREDENTIALS_RELATIVE_URI environment variable, typical in AWS Elastic Container Service (ECS) clusters (ecs_provider)
    • an AWS EC2 Instance Profile attached, such as when running on an EC2 instance with the Instance Metadata Service enabled. (ec2_provider)
    • IAM User or STS keys - either directly as environment variables, or via directly setting on a Credential object (env_provider and static_provider)

    These are all in the mongo-go-driver at https://github.com/mongodb/mongo-go-driver/tree/v1/internal/credproviders

    Token Refreshing is required with short-lived credentials, when you want to maintain a long-lived connection to Mongo. At any time the Mongo Cluster's topology may change (eg due to failover, upgrades, adding extra replicas, etc). With short-lived credentials, they must be renewed before trying to (re)start connections to the Mongo cluster.

    All of the cred providers, except env_provider and static_provider support Token Refreshing.

    This means that a developer who's access to AWS is through short-lived STS tokens via a Federated login (AWS SSO, Okta, etc) are not able to authenticate to Mongo for more than their token's expiry time.

    It also means other methods of authenticating to AWS are not supported.

    This request is to support one of the following:

    A) Provide an sts_token_provider, which can try calling the AWS SDK directly to issue a short-lived token, and refresh it prior to expiry
    B) Provide a way for a consumer of the mongo-go-driver to inject their own credprovider, which can obtain and refresh the token.
    C) Provide a way to set an Expiry time for env_provider and static_provider, and a callback to allow refreshing the token

    My personal preference would be for option A, however this would require including larger sections of the AWS SDK into the mongo-go-driver which may not be ideal for the Mongo team.

    My secondary preference is to allow injecting a custom credprovider. The go driver already has most of the framework for this. awscreds.NewAWSCredentialProvider[1] already has an argument for supplying more credential providers. Unfortunately the caller in mongodbaws.Auth[2] doesn't appear to allow this.

    I believe it should be relatively simple to extend the driver to allow passing in a credprovider, and it would eliminate the need for the mongo-go-driver to include more of the AWS SDK.

    [1] https://github.com/mongodb/mongo-go-driver/blob/v1/x/mongo/driver/auth/creds/awscreds.go#L33
    [2] https://github.com/mongodb/mongo-go-driver/blob/v1/x/mongo/driver/auth/mongodbaws.go#L50

    The Golang driver supports "MONGODB-AWS" AuthMechanism when you have:

    • a AWS_WEB_IDENTITY_TOKEN_FILE and ROLE_ARN environment variable, eg when supplied by IAM Roles for Service Accounts (IRSA), typical in Kubernetes clusters (assume_role_provider)
    • a AWS_CONTAINER_CREDENTIALS_RELATIVE_URI environment variable, typical in AWS Elastic Container Service (ECS) clusters (ecs_provider)
    • an AWS EC2 Instance Profile attached, such as when running on an EC2 instance with the Instance Metadata Service enabled. (ec2_provider)
    • IAM User or STS keys - either directly as environment variables, or via directly setting on a Credential object (env_provider and static_provider)

    These are all in the mongo-go-driver… more

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14. Support TagWithCallSite and TagWith with EF Core Provider

    It'd be good to support TagWithCallSite and TagWith so it's easier to figure out where the queries came from. The "tag" could be put in the query option comments so that it can be used when profiling and with otel integrations.

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15. Make driver aware of Autoscaling

    Driver not aware of autoscaling (topology changes)

    This is related to https://support.mongodb.com/case/01186544. We are experiencing exceptions when autoscaling is supposed to work flawlessly. The problem seems to be that the driver checks for a heartbeat every few seconds but fails to do so under heavy bursts of workloads, which we are currently facing.

    When autoscaling kicks in, there should be a possibility to make the nodes aware that they have been scaled, so that when they communicate with the driver, they provide this information back to the driver. The driver would then explore the new topology first before throwing an exception on write failures.

    Driver not aware of autoscaling (topology changes)

    This is related to https://support.mongodb.com/case/01186544. We are experiencing exceptions when autoscaling is supposed to work flawlessly. The problem seems to be that the driver checks for a heartbeat every few seconds but fails to do so under heavy bursts of workloads, which we are currently facing.

    When autoscaling kicks in, there should be a possibility to make the nodes aware that they have been scaled, so that when they communicate with the driver, they provide this information back to the driver. The driver would then explore the new topology first before throwing… more

    5 votes

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16. Take possible SerialName annotation into account for the query DSL (Kotlin)

    Hey,

    I'm talking about the kotlin-driver (there was no kotlin selectable in the dropdown, so I chose "Java" since the kotlin driver is based on the java driver).

    When using the kotlin-driver with kotlinx.serialization it's a bit complicated to write refactoring-safe queries, because when using the KProperty.name reference like in the examples of the documentation a possible @SerialName annotation is not considered.

    I'd like an API matching what KMongo provided that you can just reference the KPropery, and the driver under the hood decides whether to choose just the name or the value of a possible SerialName annotation.

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17. Add support for new pagination feature

    Please add support for new pagination features explained here:
    https://www.mongodb.com/docs/atlas/atlas-search/paginate-results/

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18. Hibernate and MongoDB

    Hibernate OGM is not currently supported. It would be great to use Hibernate with MongoDB.

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19. Support for MongoDB Package in Edge Computing Environments

    The increasing adoption of edge computing and serverless architectures necessitates compatible database solutions. The MongoDB Node.js package currently faces compatibility challenges in edge environments, such as Vercel Edge Functions, due to its reliance on certain Node.js APIs and JavaScript features unsupported in edge runtimes.

    Discussions on platforms like Stack Overflow and GitHub highlight the need for a MongoDB solution tailored for edge computing. Although the MongoDB Data API offers a potential workaround, it lacks the full functionality and efficiency of the native MongoDB driver when used in edge contexts.

    I propose the development of an edge-optimized MongoDB package or library that aligns with the constraints of edge runtimes, minimizing dependency on unsupported APIs and leveraging web-friendly APIs like fetch. This would significantly benefit developers by providing a seamless, efficient way to integrate MongoDB into serverless and edge applications, enhancing performance and user experience.

    This request is supported by community feedback and underscores the importance of evolving MongoDB’s offerings to meet the demands of modern web architectures and serverless computing.

    References:
    * https://github.com/arashsheyda/nuxt-mongoose/issues/32
    * https://stackoverflow.com/questions/75423777/is-there-anyway-to-get-mongodb-to-work-on-vercel-edge-serverless-functions
    * https://github.com/drivly/mongo-fetch

    The increasing adoption of edge computing and serverless architectures necessitates compatible database solutions. The MongoDB Node.js package currently faces compatibility challenges in edge environments, such as Vercel Edge Functions, due to its reliance on certain Node.js APIs and JavaScript features unsupported in edge runtimes.

    Discussions on platforms like Stack Overflow and GitHub highlight the need for a MongoDB solution tailored for edge computing. Although the MongoDB Data API offers a potential workaround, it lacks the full functionality and efficiency of the native MongoDB driver when used in edge contexts.

    I propose the development of an edge-optimized MongoDB package or library… more

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20. .NET 6.0 support for Entity Framework driver

    The pre-release version of the EF support in C# driver is only published for .NET 7.0 while the LTS version of .NET is 6.0 and many vendors use (and will use it) for a long time. The roadmap from https://github.com/mongodb/mongo-efcore-provider#limitations–roadmap doesn't mention support for any other .NET versions.

    The support of .NET 6.0 would potentially increase adoption and user base.

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