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230 results found

  1. Progress bar

    when upgrading cluster / instance from one instance type to other on shared instance for example from M2 to M5, there should be some sort of progress bar exhibited tracking progress of upgrade

    3 votes

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  2. bloom filter index

    https://www.percona.com/blog/2019/06/14/bloom-indexes-in-postgresql/

    I think having an option to use bloom filter indexes could provide for better performance when compared to compound indexes and eliminate the need for having multiple indexes. It would likely require tuning still, but with very large data sets this could be much less expensive.

    3 votes

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    0 comments  ·  Indexes  ·  Admin →
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  3. Support compound TTL index

    Right now you can only do a single field TTL index. I would like a put a TTL on a compound index.

    3 votes

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    1 comment  ·  Indexes  ·  Admin →
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  4. Enhancement on Native Auditing

    When we enable native auditing the following three information is missing. Its more useful from security aspects . Can it be considered to capture these information in current or future releases soon..

    Session ID

    OS user
    Service name

    Kannan

    3 votes

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    0 comments  ·  Security  ·  Admin →
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  5. Add SSO authentication support to mongoDB database

    Existing issue: One user has accounts in multiple mongoDB databases on Atlas that exist in different Projects and maybe Organizations as well. When he wants to switch from one database to the other from a 3rd party app, he has to provide his credentials every time.

    Adding SSO authentication support to the mongoDB databases would add flexibility to a user like that, to switch from one database to the other without being asked for his credentials every time when connecting from a 3rd party application.

    3 votes

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    1 comment  ·  Security  ·  Admin →
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  6. Rename an existing index

    Allow for the possibility of renaming an existing index, without having to drop and recreate it.

    Let us say a unique index exists in production, it might not be possible to safely drop it. Yet the index name might not be ideal.

    3 votes

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    1 comment  ·  Indexes  ·  Admin →
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  7. delete logs number of days old

    In the options for Mongo DB Log Settings, there is only
    Max Percent of Disk
    Total Number of files

    A new option for
    Number of Days to keep

    Would be useful

    3 votes

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  8. view on nested array

    • It is quite common to have nested array in documents in MongoDB.
    • It is also quite common to have to "flatify" those arrays in queries.

    Here is an example where we have a collection with consultants and their professional experiences.

    consultant [{
       name:"Toto",
       age: 25,
       experiences: [{
          role: "Sofware Engineer",
          from: "2010-01-01",
          to: "2012-01-01",
          company: "CompanyA"
       }, {
          role: "Data Analyst",
          from: "2018-01-01",
          to: "2020-01-01",
          company: "CompanyB"
       }]
    }]
    

    If we would like to list all experiences at a company during a certain period of time, we would have to do an aggregate query with 3 steps that are sometimes…

    3 votes

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  9. log connection string used by application to connect

    there are multiple options to connect to mongo: you can connect to specific node or you can connect to the whole replicaset etc...
    if DBA does not have access to source code - it's not possible to validate if application properly configured and connects to replicaset.

    it would be nice to let mongoDB dump to mongod.log used connection string and/or details how exactly client sessions is connected to mongo.

    3 votes

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  10. Low latency Change Stream for Global Cluster in Atlas

    our event-driven applications need to publish events to Kafka triggered by Change Stream feature. It works perfect in replicaset MongoDB cluster.

    However, after migrating to Global Cluster in Atlas, the Change Stream cannot keep low latency because of ordering reason among shards.
    The latency may go up to 20 seconds when for a single change event.

    It would be nice if application can receive Change Stream from the single shard only (not care about ordering among shards) to prevent latency.

    The idea is to pass "location" options when starting the Change Stream cursor.

    3 votes

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  11. updateMany limit

    When porting an application backend from an RDBMS to MongoDB, we've spoken to two people who've are looking for a way to specify a limit on the number of documents in .updateMany(). I understand the behavior cannot be defined on a sharded cluster, but if we had a way to do this on an unsharded collection, that would help when dealing with these teams.

    3 votes

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  12. Include schema validation events in changestream payload

    let's say my document has JSON schema validation like:

    {
      $jsonSchema: {
        properties: {
          phone: {
            bsonType: 'string'
          }
        }
      }
    }
    

    and the validation action is set to "warning", if I do a command like: db.test.insert({"phone":1}), I would like the warning message to be included in my change stream.

    3 votes

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  13. geoIntersects feature for 2D index

    At Airbus, we would like to use geoIntersects feature with 2D Index.
    We don't need 2DSphere Index, but we have to use it if we want to have geoIntersects avalaible.
    As a consequence, we have to manage Spherical margins which introduces a useless and hard to maintain workaround in our product.
    Could you please plan to implement geoIntersects and not only geoWithin with 2D Index ?
    Thank you

    3 votes

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    1 comment  ·  Admin →
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  14. Automatic Indexes

    MongoDB can already suggest useful indexes. Why not take the next step and allow MongoDB to autonomously create and manage indexes. Ideally it will automatically maintain the indexes over time as the structure and usage of the database changes.

    3 votes

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    1 comment  ·  Indexes  ·  Admin →
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  15. $merge

    Report number of docs matched, merged, skipped, etc. from a $merge stage. Alternatively, return the merged doc results as a pipeline result to pass to additional stages.

    2 votes

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  16. Extend schema validation to be able to enforce referential integrity between collections

    Where a relational database uses 2 tables to store a 1:many "parent - child" relationship between entities, MongoDB mostly stores the child documents in an array file as part of the parent document. This automatically ensures referential integrity in that
    - a child document cannot be inserted or updated to refer to a non-existent parent, and
    - a parent document cannot be deleted such that it leaves "orphaned" child documents

    However, there are situations where the number and/or size of the child documents makes embedding them all in their parent unworkable, due to the 16 megabyte document size limit if…

    2 votes

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    0 comments  ·  Data Models  ·  Admin →
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  17. geo

    It would be nice to get the length of an LineString of a geo-json object or the possibility to write an aggregation to calculate it.

    2 votes

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  18. Budget limit for serverless pay as you go mode

    I was looking at the serverless pay-as-you-go option for my DB so I could have continuous backup and snapshots but I found it too risky. Currently, the only protection user has is alerts when RPUs go over a certain budget threshold. I would like to be able to set a budget limit that would prevent me from going over pre-set daily budget. If you would get hit with DOS or some other brute force attack you could rack up lots of traffic and get an unexpected bill without a potential limit.

    2 votes

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  19. Query Planner needs a timeOut set as a Database parameter.

    Query Planner needs a timeOut set as a Database parameter.

    We see App queries timing out on Query planner taking >1 sec. Whilst this can be avoided by setting maxTimeMS at client end - this is more of a setting for the overall query and not just the query planner - Also, this comes at the risk of closing/timing out the actual query (cursor) which is not our need.

    We only want the query planner itself to have a specific - set/customisable timeout and the query to keep running selecting one/any if the plans run thus far without timing out…

    2 votes

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  20. Add numerically-ordered index feature which forces a field to maintain ordering

    I would like MongoDB to add better support for ordered lists across documents in a collection. This feature would allow the user to designate a field such as "position", and the DB would ensure the values of that field across documents remain in a monotonically-increasing integer sequence 0, 1, 2, 3, ... N.

    I am the maintainer of a Ruby library called "Mongoid Orderable". This library makes numerically ordered field across documents. I'd like to ask MongoDB to investigate moving the functionality of this library to the server.

    What use case would this feature/improvement enable?

    This feature would be useful…

    2 votes

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