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285 results found

  1. 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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  2. Enable BigInt Support for Blockchain Use

    Smart contracts on Ethereum and on Ethereum compatible chains are represented as 256bit integers. There are several libraries widely used to deal with these data types in JavaScript such as bn.js and BigNumber.js.

    A potential workaround could be to split the data, store using Decimal128, and recombine using Aggregation Framework. However, this would add performance and programming overhead that encourages customers to select alternatives to MongoDB.

    3 votes

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  3. Allow for redacted and non-redacted log files at the same time

    This would be applicable for on-prem and Atlas.

    1 vote

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  4. Add operator that would calculate distance between 2 geolocation points

    It would be great to have operator that would calculate distance between 2 geolocation points, and not to do it manually with big aggregate queries.

    I suggest to add 2 new operators that would calculate distance in two different ways, as discussed in this Community Post: https://www.mongodb.com/community/forums/t/how-to-calculate-distance-between-two-geolocation-points/173045

    19 votes

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  5. Allow changing compression of an existing collection

    I'd like to switch my database from Snappy to Zstd compression.

    Currently, it doesn't seem that it is possible to change the compression of an existing collection.

    It would be nice if there were a way to do this, even if (for example) it required making a new replica set member which "re-compresses" the data to the new algorithm while cloning it.

    As per SERVER-67726, the only way to do this today is to create a new collection and manually copy with mongodump/mongorestore. This doesn't seem to be a viable option, for uptime / data consistency reasons.

    2 votes

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  6. Support newer versions of JSON Schema in validation to be able to use the "if", "then", "else" and "const" keywords

    Currently there is no way to have conditional schema validators because you can't use the "const" keyword in a "oneOf" or the "if", "then" and "else" keywords.

    2 votes

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    0 comments  ·  Other  ·  Admin →
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  7. Create operators that support Centrality Algorithms use cases

    Degree Centrality
    Closeness Centrality
    Harmonic Centrality
    Betweenness Centrality
    Eigenvector Centrality
    PageRank
    ArticleRank

    1 vote

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  8. `$getField` to work with a dynamic `field`

    Currently $getField works only when field resolves at query-compile-time to a string. It would be nice if it worked also when field resolves to a string at runtime.

    See this Jira ticket - https://jira.mongodb.org/browse/SERVER-67030

    5 votes

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  9. Add a $sample accumulator operator

    So that it's easier to sample a number of items from each group, instead of writing lengthy DSL like this:

    https://www.mongodb.com/community/forums/t/sample-x-number-of-documents-in-each-group-with-or-after-a-group-stage/170787

    Ideally it can be expressed like this:


    {
    $group: {
    _id: '$year',
    samples: { $sample: 100 },
    }
    }

    Hence making sampling 100 items from each group a snap to achieve!

    1 vote

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  10. kNN Searches with MongoDB

    Dear MongoDB team,
    The possibility for kNN searches within a collection would be a real game changer. Not only in machine learning, but also in other areas you need this query method to find similar structures.
    Practically, it could go in the same direction as text searches. So that you have to create an index that you can also query similarly and then sort according to the score.

    I speak from my own suffering, as I had to switch from MongoDB to Open-/Elasticsearch for my current project, as they are also non-relational databases but support kNN searches. However, I like…

    1 vote

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  11. Boost the performance of bioinformatic annotation queries

    The documents to be selected look something like this:

    {
    "_id": {
    "$oid": "6272c580d4400d8cb10d5406"
    },
    "#CHROM": 1,
    "POS": 286747,
    "ID": "rs369556846",
    "REF": "A",
    "ALT": "G",
    "QUAL": ".",
    "FILTER": ".",
    "INFO": [{
    "RS": 369556846,
    "RSPOS": 286747,
    "dbSNPBuildID": 138,
    "SSR": 0,
    "SAO": 0,
    "VP": "0x050100000005150026000100",
    "WGT": 1,
    "VC": "SNV",
    "CAF": [{
    "$numberDecimal": "0.9381"
    }, {
    "$numberDecimal": "0.0619"
    }],
    "COMMON": 1,
    "TOPMED": [{
    "$numberDecimal": "0.88411856523955147"
    }, {
    "$numberDecimal": "0.11588143476044852"
    }]
    },
    ["SLO", "ASP", "VLD", "G5", "KGPhase3"]
    ]
    }

    For a basic annotation (https://en.wikipedia.org/wiki/SNP_annotation) scenario, we need such query:

    {'ID': {'$in': ['rs369556846', 'rs2185539', 'rs2519062', 'rs149363311', 'rs55745762', <...>]}}
    , where <...> means hundreds/thousands…

    1 vote

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    0 comments  ·  Performance  ·  Admin →
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  12. views on different database (synonyms)

    It would be great if we could have in Mongo the same as in Oracle with DBLink synonyms:
    Access table or views from a different database.

    1 vote

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  13. add view,index,user,role to mongodb Change Stream

    I tested the changeStream of mongodb. The changes of adding view, index, user and role to mongodb are not reflected in changeStream, but the corresponding log can be found in oplog. I have an issue on https://jira.mongodb.org/browse/SERVER-66460 and got it confirmed, but Chris Kelly thinks this should be a feature. Hopes to add this feature in future versions

    1 vote

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  14. Support readOnly in Json Schema Validation

    Support the readOnly property for json schema validation to make certain fields immutable (or the entire document) after creation.

    2 votes

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    0 comments  ·  Data Models  ·  Admin →
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  15. 1 vote

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    0 comments  ·  Security  ·  Admin →
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  16. 1 vote

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  17. Release notes with urgency and risk

    Provide MongoDB customers/users with an understandable release notes, especially for bugfixes.
    What are the risks this bugfix release covers, what is its urgency.

    Right now, release notes are made of MongoDB Jira tickets, which are very detailed and refer to the implementation of MongoDB, and thus cannot be easily understood by end users.

    As a suggestion, release notes could sum up the following data in a simple table:
    - Nature of impact
    -> data corruption: yes/no
    -> downtime: of a single node / of the whole cluster / on a subset of requests / etc
    - Context of impact

    10 votes

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  18. Support expressions in $densify range bounds

    The $densify aggregation pipeline stage seems unable to evaluate range bounds expressions, requiring the range bounds to be constant.

    See the following example (the collection testcoll contains a single documents with only the _id field):

    sometestdb> db.testcoll.aggregate([{$addFields: {a: 1}}, {$densify: {field: "a", range: {bounds: [0, 5], step: 1}}}])
    
    [
    
      { a: 0 },
    
      { _id: ObjectId("6284a16d64553eaf74b1e189"), a: 1 },
    
      { a: 2 },
    
      { a: 3 },
    
      { a: 4 }
    
    ]
    
    
    
    sometestdb> db.testcoll.aggregate([{$addFields: {a: 1}}, {$densify: {field: "a", range: {bounds: [{$toInt: "0"}, 5], step: 1}}}])
    
    MongoServerError: A bounding array must be an ascending array of either two dates or
    3 votes

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  19. Use dedicated interface for replication and balancing

    Like many other big database system, MongoDB may support to specify dedicated interfaces for replication and/or for the balancer (sharding)

    Currently you can configure replication sets and shards members only by single hostname/IP-Address, i.e. all data is transmitted over the same network interface.

    2 votes

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    0 comments  ·  Replication  ·  Admin →
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  20. Change how document size is calculated

    Disclaimer: I'm aware that this is a pretty big feature request.

    Currently a document has a max size of 16 mb. I'm not suggesting changing that. However, I'm suggesting changing how that size is calculated.

    I'm designing a database in which documents have a tree structure. The document will have an array called "nodes", which can hold any number of child nodes. Those nodes can also have arrays of nodes, and so on. It's a simple tree structure.

    For major users of my application, that outer document could get pretty big. It's not a problem right now (no users, no…

    1 vote

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    0 comments  ·  Data Models  ·  Admin →
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