Database

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

$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 about 3 years ago in Querying & Aggregations 1 Submitted

1 VOTE

Amazon Linux 2023 Support for MongoDB 6.0 and OpsManager 6.0

Amazon Linux 2023 is supported in rapid releases from 6.2.0 and will be supported in the upcoming 7.0 release of MongoDB, however it appears there is currently no plan to support AL2023 for the 6.0 release of MongoDB. Can support for AL2023 be add...

Kick Glorie about 3 years ago in Database 0 Submitted

1 VOTE

Support indexes on single array elements (e.g. "MyArray.0")

Currently, if I create an index on an array field and specify an element number ("MyArray.0"), the system still indexes the whole array as normal. Normally, this might increase the index size but at least it's still useful when querying MyArray.0...

Guest about 3 years ago in Data Modeling & Indexing 0 Submitted

1 VOTE

Metadata for collections

I would like to be able to store metadata about a collection such as a description or link to sources, along with the name of the collection.

Guest over 3 years ago in Database 0 Submitted

1 VOTE

tail queries functionality

We'd like to log the underlying MongoDB queries issued against the database. Similar to https://github.com/mrsarm/mongotail but something official

Guest over 3 years ago in Storage & Transactions 0 Submitted

1 VOTE

Change stream Monitoring/Aletring in management

how to monitor change stream activity per namespace 1. Number of Change streams per namespace 2. Set + Manage the allowed number of change streams 3. A metrics UI tab for OpsManager. 4. Alert if the number of change streams exceeds the set limit....

Dhananjay Ghevde over 3 years ago in Database 0 Submitted

1 VOTE

One of the waste application, often times it is ip address was automatically disconected and throw some lot of errors waste application

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Guest over 3 years ago in Database 0 Submitted

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