Database

Showing 305

Allow collection collation to be editable

Collation of a collection can be set at creation time only. It would be useful to edit these fields to avoid creating an entire new collection and copying the collection over.

Guest about 5 years ago in Database 0 Submitted

1 VOTE

Lock the document field (not the entire document)

Hi according to this reference: https://www.mongodb.com/blog/post/how-to-select--for-update-inside-mongodb-transactions When I lock a document with a field with a new ObjectID, the whole document is locked! Idea : Operations: i have three fiel...

Guest over 2 years ago in Storage & Transactions 0 Submitted

1 VOTE

Improve the mongo query language

Sometimes I find Mongo query language as not put very well together, sometimes it feels like a patch job. It would be nice, if you could make you query language easier to reason about. It would be awesome, if you could introduce fluent style api b...

Guest over 2 years ago in Querying & Aggregations 0 Submitted

1 VOTE

Add functionality to specify the readConcern level at db.collection.findOne()

Add functionality to specify the readConcern at db.collection.findOne(). At the version 5.0.14 it's not supported.

Guest over 2 years ago in Querying & Aggregations 0 Submitted

2 VOTE

Add Event Stream Features (Apache Kafka, NATS Streaming)

I thought it would be great if mongodb can support an event streaming(event bus) feature. Existing popular event streaming services(AWS Kinesis, NATS Streaming, Apache Kafka) can persist data which is somewhat like a database. Its great for debug...

Guest over 5 years ago in Database 1 Submitted

2 VOTE

Too many keys in 2dsphere index when used on geoJson within arrays

Mongo support have asked me to raise this bug as an improvement idea because they see it as an edge case. The issue is here and includes more details: https://support.mongodb.com/case/00659614 In summary, if you have a geoJson sub document that ...

Guest over 5 years ago in Database 0 Submitted

2 VOTE

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 5 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 5 years ago in Database 0 Submitted

1 VOTE

Combine reshardCollection+mongosynd idea to support a remote collection on a separate new cluster

Great for prod productivity and 99.999 SLA if mongo could support this, for example, Given "mydb.mycoll" in current cluster being sharded with {zip:1} shard key 1/ New cluster: sh.shardCollection( "mydb.mycoll", {name:1, phone:1} ) 2/ "Mongocopy...

Guest over 2 years ago in Replication & Sharding 0 Submitted

1 VOTE

throttle sessions which use too much resources

We have different types of applications : 1. Writer - to load data into mongodb from different data sources 2. Reader - to read data and display to end user. Normally, there is strict SLA for reader , but no SLA (or less restricted) for writers. ...

Guest over 2 years ago in Performance & Optimization 0 Submitted

Please enter your email address

FILTER BY CATEGORY