Database

connection

Hi, it will be greatly appreciated to have an option to control the connections number when choosing an instance. M30 is just what we need except for the connections number we have around ~2.5k and max is 3k it would help a lot to have an option t...

Guest about 2 years ago in Database 0 Submitted

6 VOTE

`$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

Guest about 4 years ago in Querying & Aggregations 0 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 over 1 year ago in Database 0 Submitted

6 VOTE

Get metadata about source client connection that submitted a given change

Currently with change streams it is impossible to know who or what connection initiated the changes. It would be a good feature to have to be able to receive some data about the source client connection that initiated a change. My particular us...

Guest over 4 years ago in Database 0 Submitted

2 VOTE

Leveraging Group By/Distinct Query to use regular Index

When using Group By or Distinct queries on database, provide the ability to leverage existing index i.e these queries today will miss using existing index db.collection.distinct("field") db.collection.aggregate([ { $group: { _id: "$category", ...

Guest over 1 year ago in Querying & Aggregations 0 Submitted

1 VOTE

Introduce int8 (and int16) data types

What problem are you trying to solve? Focus on the what and why of the need you have, not the how you'd like it solved. Having int32 as the smallest integer type means even values which can't go over 127 (as is common with enums) have to take...

Er Fr 9 months ago in Database 0 Future Consideration

8 VOTE

Elevate hidden replica to a voting member when quorum is lost for a Replica Set

The MongoDB engine should allow for hidden members in a replica set to be automatically elevated to a voting member. When quorum is lost and can't be met, the hidden replica is automatically reconfigured to a voting member to obtain quorum. When ...

Guest about 6 years ago in Replication & Sharding 1 Submitted

4 VOTE

Collection which stores last login date_time for the users

Are you please able to store the last login date_time for the users which exist either in admin database or $external database in a collection of admin database of that cluster or opsmanager database which manages the clusters? I have a requireme...

Guest about 3 years ago in Database 0 Submitted

6 VOTE

Unique index in sharded cluster

For enforcing uniqueness in a sharded cluster, the officially recommended approach provided here https://docs.mongodb.com/manual/tutorial/unique-constraints-on-arbitrary-fields/#std-label-shard-key-arbitrary-uniqueness is simplistic and in product...

Guest over 4 years ago in Replication & Sharding 0 Submitted

1 VOTE

Allow descriptions for $expr sections in DB validation

What problem are you trying to solve? Focus on the what and why of the need you have, not the how you'd like it solved. Our collection has some complex $expr rules for validating our collection. Unfortunately, $expr does not allow us to add a...

Habibullah Aslam 10 months ago in Data Modeling & Indexing / Querying & Aggregations 1 Will Not Implement

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