Drivers

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  1. Compressed Fields

    When large JSON structures are being stored but don't need to be queryable it may be more performant to handle the compression at the field-level as opposed to the network level (similar to what is described in https://medium.com/idealo-tech-blog/advanced-mongodb-performance-tuning-2ddcd01a27d2).

    This would isolate compression and decompression on the client side (unless network compression was used as well), however the compressed field would be persisted as-is (compressed) to the cluster.

    3 votes

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  2. Dynamic Configuration Changes for Connections

    We would like to suggest a feature improvement where connection parameters can be dynamically changed so that no restart of client application infrastructure is needed.

    Currently, when changing connection configuration, this usually requires the restart of a considerable number of pods or containers with the unavoidable consequence of a sudden surge in connection attempts.

    Our request specifically would be to provide a way for drivers to read both connection string and connection parameters information from a source that can be easily managed and that's not necessarily embedded in the code, and

    Drivers should also detect when this configuration has changed…

    3 votes

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  3. Support authentication credential rotation

    MongoDB drivers should provide support for rotating authentication credentials:


    • The customer may opt to rotate a specific credential (a password, client keytab, or a re-issued client certificate - when your private key will be the old one or a new one and the certificate will always be updated), or both the username and its credential

    • drivers must support authentication hooks/override methods to handle custom logic. For example: when an external vault processes the password change, it will have a delay before the SCRAM / PLAIN password gets changed in the MongoDB Server / LDAP server. The customer-provided code will take…
    2 votes

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  4. Allow custom service names with mongodb+srv URI scheme

    We are using DCOS (marathon/mesos) to manage our services. DCOS generates SRV records for our mongos instances under a record that looks like

    mongos-mongodb.tcp.marathon.mesos
    However, there's currently no way for me to use this because when I provide a connection url like

    mongodb+srv://mongos-mongodb.tcp.marathon.mesos
    the drivers prepend "mongodb.tcp" to the provided url. It's not clear why it's required that the host must start with "mongodb.tcp". Why not let the user specify the actual DNS entry to query?

    I believe the same issue will exist for multiple orchestration frameworks such as Consul/Nomad and Kubernetes.

    2 votes

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  5. Provide a direct download for current versions of driver files/dependencies on the official MongoDB sites

    Note: This post was inspired by my attempts to find a direct download for the MongoDB Java driver, but I've left the category as "Unspecified" because it could apply to any driver download for which the official sites say to "Just use Maven/etc"

    Right now the documentation for the MongoDB Java driver (https://mongodb.github.io/mongo-java-driver/4.2/driver/getting-started/installation/) indicates that "The recommended way to get started using one of the drivers in your project is with a dependency management system." However, as far as I could tell from my own research, the official MongoDB sites have no official direct download link for the…

    1 vote

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  6. Nearest read preference should take account of database load

    I understand it only take account of network latency however this node can have high load and would give a poor response. Instead, I wished the driver would contact the more distant network latency node that has less CPU/memory load.

    1 vote

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  7. Add support for SSH Tunnel

    Similar to the request for SOCKS proxy support, it would be good to add support for SSH tunnels for drivers (since Compass supports this already).

    This can be useful for developers working remotely when company policy disallows whitelisting home IP addresses.

    1 vote

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