Database

Vector Search

Provide Vector Search capability in MongoDB enterprise edition for On-premise deployments.

Guest about 3 years ago in Database 0 Submitted

an aggregation stage to load data to DRAM for the fields that are only requested

When we use $project stage, it loads whole document from disk to memory (if not in working set). Because of this, When we create a data model, We have to create separate collection if the field is not required in frequent access of data. Creating ...

Guest about 3 years ago in Performance & Optimization 0 Submitted

1 VOTE

Allow live migration using private interface

There should be an option to live migrate data via a private interface instead of public one. With VPC being peered, it would be a great option to avoid exposing database to the public interface (even if it's specific set of IPs). This can resolve...

Guest about 3 years ago in Database 0 Submitted

2 VOTE

Add Event Stream Features (Apache Kafka, NATS Streaming)

I thought it would be great if mongodb can support an event streaming(event bus) feature. Existing popular event streaming services(AWS Kinesis, NATS Streaming, Apache Kafka) can persist data which is somewhat like a database. Its great for debug...

Guest over 6 years ago in Database 1 Submitted

2 VOTE

Too many keys in 2dsphere index when used on geoJson within arrays

Mongo support have asked me to raise this bug as an improvement idea because they see it as an edge case. The issue is here and includes more details: https://support.mongodb.com/case/00659614 In summary, if you have a geoJson sub document that ...

Guest over 6 years ago in Database 0 Submitted

2 VOTE

Performance problem with compound index using doubles, with range filtering

It looks like there may be a problem when using doubles in a compound index and using range-test filters against all of them in a query. The problem we see from the explain plans is that far more keys are being examined that there should be and th...

Guest over 6 years ago in Database 0 Submitted

2 VOTE

Making Elections Faster.

Election is an expensive operation. We can avoid the elections if we can enforce some priority-based ordering on who shall become primary if the current primary fails. Specifically, we can keep a node with second highest priority in the data cente...

Guest over 6 years ago in Database 0 Submitted

2 VOTE

Support for wildcards in permission parameters

Support for wildcards or maybe even regular expressions in the database/collection name of a permission for a custom role. We have a multi tennant setup, by storing every customer's data in its own database on the cluster. The applications we bui...

Guest over 6 years ago in Database 0 Submitted

1 VOTE

When was last backup/mongodump ran on databases or database backup history

How can get detail of last backup was taken using query. Its very hard to get into log file and see the history of mongodump. Just like other database tool mongodump history can be retrieved via query instead mongo log file. I know get the detai...

Guest about 3 years ago in Database 1 Submitted

1 VOTE

$group all fields

$group should have the ability to allow specifying all fields in a document (without explicitly defining them all, which can lead to duplicating dozens of lines just to do "key: $first") This will help users that use $unwind and then want to $gro...

Guest over 3 years ago in Querying & Aggregations 1 Submitted

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