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Parallelize unionWith

Today $unionWith aggregation command is executed sequentially. EG first we query collection A and then collection B and then the union occurs. The process should be parallelized so the query part will run in parallel while the union will be done a...

Guest almost 2 years ago in Performance & Optimization 0 Submitted

3 VOTE

BsonIgnoreIfEmpty - Property Attribute

Like BsonIgnoreIfDefault and BsonIgnoreIfNull, we can add BsonIgnoreIfEmpty. It can be added on IEnumerables (which we basically know they cannot have infinite values since it is inserted to db after all..) and if the IEnumerable is empty, it wont...

Guest over 5 years ago in Drivers (ie: Node.js, Java, .NET) 0 Submitted

1 VOTE

Scheduled stepdown for smoother primary election

Stepdown is a great tool that allows us to keep clusters operating smoothly. We use it for example when we want to perform some maintenance work on the host where the primary is currently running, to perform a rolling upgrade, and in many other ca...

Guest almost 2 years ago in Replication & Sharding 0 Submitted

1 VOTE

Write parts of database engine in ZIG

Zig is a zero-dependency, drop-in C/C++ compiler that supports cross-compilation out-of-the-box. Implementing some parts of MongoDB database engine core in ZIG might brings some performance improvements. https://ziglang.org/

Guest almost 2 years ago in Database 0 Submitted

1 VOTE

Add Relaxed mode support for the $out operator

Add Relaxed mode support for the $out operator. *and include as option in the existing drivers

Guest almost 2 years ago in Querying & Aggregations 0 Submitted

1 VOTE

Aggregations should allow an empty sort stage instead of returning an error

When you run an aggregation pipeline that contains an empty sort stage (like `{"$sort": {}}`) MongoDB returns the error message "$sort stage must have at least one sort key". It would be really helpful if such a stage would work and simply not app...

Guest almost 2 years ago in Querying & Aggregations 0 Submitted

3 VOTE

Validation for referential integrity

Currently, with the JSON Schema validation, we are able to limit the values for a field using enumerations. However, we need to have a way to limit the values to those entered in another collection.

Guest over 5 years ago in Database 0 Submitted

3 VOTE

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 a...

Guest over 5 years ago in Database 1 Submitted

1 VOTE

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/

Guest almost 2 years ago in Drivers (ie: Node.js, Java, .NET) 0 Submitted

3 VOTE

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.

Guest almost 6 years ago in Data Modeling & Indexing 1 Submitted

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