Database

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Handle Daylight Saving Time when $densify is used on a date field

When using "day" as "unit" for a $densify pipeline stage on a date field, the date is always advanced of 24 hours. This is however not always the expected result in timezones in which the year has one 23-hour and one 25-hour long day, because of D...

Guest over 3 years ago in Querying & Aggregations 1 Submitted

2 VOTE

Coordinate Releasing Better

When Mongo releases a new version, the downloads, release notes, and version selection in the support portal are never in sync and sometimes out of sync for weeks. An example right now is 7.0.20. It has been out for a while. If I update via my OS...

Guest 10 months ago in Database 0 Submitted

3 VOTE

Add support for all type of joins like Postgres has and improve performance

$lookup is a performance killer. Joins are crucial parts in every OLTP system. $lookup is the equivalent to join in SQL, however $lookup is slow, doesn't support hash joins or other efficient join algorithm implemented in Postgres for example. Se...

Guest about 1 year ago in Performance & Optimization 1 Submitted

14 VOTE

More complex balancer windows for sharded clusters

Currently we can define a single balancer window which is applied for every day of the week. It would useful to extend this with, for example: - multiple windows per day (e.g. 2-4am and 9-11pm) - custom windows for days of the week (e.g. Sat 5p...

Guest almost 6 years ago in Replication & Sharding 0 Submitted

11 VOTE

Identification of unused/less used collections

As a DBA I'd like to identify unused collections so that I can remove them to optimize performance. As of now there doesn’t seem to be a direct way. One option could be to settup auditing or using logging (e.g. set the slow op timer to 0 so we log...

Guest over 4 years ago in Database 1 Submitted

11 VOTE

geoContain

Dear all, according to the attached image, I have some documents (in blue, with id from 1 to 5) having a geographic extent and a search area (in yellow). I need to find all documents where search area is completly inside the document's geometry. U...

Guest almost 5 years ago in Querying & Aggregations 0 Submitted

13 VOTE

Burstable IOPS for MongoDB Atlas on Azure

According to Azure documentation, bursting is enabled by default for all VMs that using Premium SSD (https://docs.microsoft.com/en-us/azure/virtual-machines/linux/disks-types#bursting). It would be great if MongoDB Atlas on Azure can get benefit f...

Guest almost 6 years ago in Database 0 Submitted

4 VOTE

Support for Ubuntu 24.04 for Mongodb-org version 6.0 7.0 8.0

No description provided

Guest almost 2 years ago in Database 1 Submitted

2 VOTE

mongodump - add support for nsInclude/nsExclude

Currently mongodump supports the excludeCollection/includeCollection options but this requires the use of the --db option. It would be useful if mongodump was able to dump all databases, as it does by default, but also be able to specify a collect...

Guest 12 months ago in Database 0 Submitted

9 VOTE

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.

Guest over 4 years ago in Data Modeling & Indexing 1 Submitted

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