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Support Two Array Fields in Compound Indexes

Hi, I've come across a lot of use cases where the business logic has demanded unique constraints on 1-2 fields that have been modeled as arrays on documents. The cases that only contain a single array field is already taken care of using unique i...

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

3 VOTE

Automatic Indexes

MongoDB can already suggest useful indexes. Why not take the next step and allow MongoDB to autonomously create and manage indexes. Ideally it will automatically maintain the indexes over time as the structure and usage of the database changes.

Guest almost 6 years ago in Data Modeling & Indexing 1 Submitted

2 VOTE

Make it clear an index not on present on all shards

We recently had an issue where an index did not get created on all shards. When we ran getIndexes() on mongos it reported the index was present. So we dropped another redundant index thinking all would be well - it was not. We had serious performa...

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

1 VOTE

TTL index activity statistics

Dear all, Presently, there is no visibility or tracking of TTL index activity: no data available to the user to see how much data and how often has been deleted. I suggest having a separate “dictionary” collection with statistics for all TTL inde...

Marina Sirota almost 2 years ago in Data Modeling & Indexing 0 Submitted

1 VOTE

Kafka Sink Connector ObjectId Support

The sink connector should support ObjectIds for the document.id.strategy. In other words, if a ObjectId hex string is provided for _id, the sink connector should be able to convert this to an ObjectId. I've scoured the documentation and the rest o...

Guest about 2 years ago in Kafka Connector 0 Submitted

2 VOTE

Kafka connector to support Kafka Schema Registry

One of the issues that our team has been talking about is when getting data from MongoDB, via a Kafka connector, and sending it through to Kafka we try to enforce schemas in Kafka but that schema is not enforced on the MongoDB data. This leads to ...

Guest over 4 years ago in Kafka Connector 1 Submitted

1 VOTE

array length as computed to be indexed

in some cases, I need to filter only docs with specific (or range of) sizes of nested arrays. it will be good if I can configure 'automatic index' to keep the length of the array, based on the field name I will provide to the index, and then I can...

Guest over 2 years ago in Data Modeling & Indexing 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 over 2 years ago in Data Modeling & Indexing 0 Submitted

1 VOTE

support regex in topic.namespace.map ( kafka source connector )

Currently, `topic.namespace.map` supports wildcard ( * ). It will be helpful if it also support regex as well. Or, since it can be breaking change, it would be nice if a new mapping is introduced that supports regex format. The workaround can be ...

Guest almost 3 years ago in Kafka Connector 0 Submitted

1 VOTE

Dynamic Topic Mapping on the basis of message content

Currently mongodb source connector only supports dynamic topic mapping on the bases of collections/databases. Can we extend it to support routing on the basis of message content? Why it's important? We've currently setup connector for a very lar...

Guest over 3 years ago in Kafka Connector 0 Submitted

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