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Create operators that support Centrality Algorithms use cases

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

Guest over 3 years ago in Querying & Aggregations 0 Submitted

1 VOTE

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...

Guest over 3 years ago in Querying & Aggregations 0 Submitted

1 VOTE

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 sam...

Guest over 3 years ago in Querying & Aggregations 0 Submitted

1 VOTE

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, ...

Guest over 3 years ago in Performance & Optimization 0 Submitted

1 VOTE

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.

Guest over 3 years ago in Database 0 Submitted

1 VOTE

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 a...

Guest over 3 years ago in Database 1 Submitted

1 VOTE

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 docu...

Guest over 3 years ago in Data Modeling & Indexing 0 Submitted

1 VOTE

Multi-version-intermediate upgrade package

When upgrading the MongoDB server community edition from a very old version to the newest version one cannot skip installing intermediate versions, e. g. version 3.6 -> 4.4 does not work because the database files cannot be auto-migrated and th...

Guest over 3 years ago in Database 0 Submitted

1 VOTE

Have an API to have the History of Primary Nodes

Have an API to have the History of Primary Nodes,from the time the Replica set is initiated.I know we can have alerts for Primary switch over,but if we want to analyse the data of elections/primary node for say about last 1 year , an API would help.

Guest over 3 years ago in Database 0 Submitted

1 VOTE

connection

Ops Manager only shows number of connection. Most DB monitoring tool shows where the connection is coming from and whats being run from the session. This needs to be a part of Ops Manager

Guest over 3 years ago in Database 0 Submitted

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