Database

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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 almost 4 years ago in Replication & Sharding 0 Submitted

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 over 5 years ago in Replication & Sharding 1 Submitted

4 VOTE

Budget limit for serverless pay as you go mode

I was looking at the serverless pay-as-you-go option for my DB so I could have continuous backup and snapshots but I found it too risky. Currently, the only protection user has is alerts when RPUs go over a certain budget threshold. I would like t...

Guest over 2 years ago in Database 0 Submitted

3 VOTE

define the random seed manually, for $rand and $sample

It will be great if an additional paramater to define the seed for $rand and $sample could be use.

Guest about 2 years ago in Querying & Aggregations 1 Submitted

5 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 3 years ago in Database 0 Submitted

2 VOTE

Named MongoDB Connections

When a service is acting erroneously and generating hundreds or thousands of connections, it's currently difficult to determine which service is doing so when you have 30+ services connecting to MongoDB. My proposal is that we should be optionall...

Guest over 1 year ago in Storage & Transactions 1 Submitted

1 VOTE

Certificate "friendlyName" (windows system certificate store)

mongod.exe: currently there is only support for "subject" and "thumbprint" to select the certificate from the windows certificate store. Is there a plan to implement the "friendly name" of the certificate as well? example mongod.cfg: .. tls: mod...

Guest 9 months ago in Database 0 Submitted

6 VOTE

NoTableScan at the collection level

NoTableScan at the collection level instead of mongod level.

Guest over 4 years ago in Database 1 Submitted

1 VOTE

deleteMany() execution automatically disable the balancer on sharded clusters

Guest 9 months ago in Replication & Sharding 0 Submitted

6 VOTE

Add expression indexes

An expression index is one where the value being indexed is the result of an expression, like lower casing a string. http://en.wikipedia.org/wiki/Expression_index http://www.postgresql.org/docs/8.1/static/indexes-expressional.html

Guest over 4 years ago in Data Modeling & Indexing 0 Submitted

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