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Showing 338 of 2894

1 VOTE

Please report mixed-type numeric _id fields in $merge stage error

Posting this idea at the request of one of the Jira users. You can find more technical details about this in the Jira issue: https://jira.mongodb.org/browse/SERVER-61613 The gist of it is that I may have two collections, `b2` and `b3`, that are ...

Guest almost 4 years ago in Database 0 Submitted

1 VOTE

multiple centersphere as a geometry for geowithin

im looking at one of my queries that a system regularly runs and some times we look for records that are within up to 250 different centerspheres, i wornder if we could enable, like geowithin has the ability to support multiple poligons, we could ...

Guest almost 4 years ago in Database 0 Submitted

1 VOTE

There is a specific collection that I need more performance than others. Is there a way to assign more ram/memory to a specific collection?

There is a specific collection that I need more performance than others. Is there a way to assign more ram/memory to a specific collection?

Guest almost 4 years ago in Database 0 Submitted

1 VOTE

$populate stage

Please provide a $populate stage that allows to resolve single referenced documents. Internally it could use the combination of $lookup and $unwind: https://stackoverflow.com/questions/41482559/how-to-return-single-object-instead-of-array-in-look...

Guest almost 4 years ago in Database 0 Submitted

1 VOTE

Reserve connections to admin users

When the max number of connections is reached, no one can login to the database until some connections are closed or a failover is triggered (killing all the connections). The admin users should have a few reserved connections so that they can lo...

Guest almost 4 years ago in Database 0 Submitted

1 VOTE

Shard Drain/ Removal issue

If we have more shards, and if want to remove few shards (more than 1), we use below command. db.adminCommand( { removeShard : "Shardname" } ) Ex, if I have Shard 1, 2, 3, 4, 5. want to remove Shard 2 & 5. I want to remove one shard at a ...

Guest almost 4 years ago in Database 0 Submitted

1 VOTE

Mongo replicaset init sync issue

When we have large size mongo replica set, we may have to take out each nodes for maintenance for few hrs or days. In that case we have to increase size of Oplog to keep several days of transactions to resync nodes after maintanance. If the RS h...

Guest almost 4 years ago in Database 0 Submitted

1 VOTE

Implement read-only fields and documents in database

I haven't tracked down this functionality yet, so excuse me if it is already implemented. As a developer and system administrator I came to a dilemma how to prevent myself to make changes to documents. I can limit myself as a programmer, but as...

Guest about 4 years ago in Database 0 Submitted

1 VOTE

`Blocking` Flag for Explain Output

It's not always obvious which aggregation stages are blocking or non-blocking when viewing `explain` output for an aggregation command. It would be helpful to include a `blocking` flag for each stage of an `aggregate` command in its `exp...

Guest about 4 years ago in Database 0 Submitted

1 VOTE

The ability to perform a quick rollback or rewind of the database

This is along the lines of a flashback, to a previous point in time say from a very impacting change to data.. A large delete or data modification event. This avoids the need to take a complete outage for hours and hours restoring TBs of data and ...

Guest about 4 years ago in Database 0 Submitted