Feedback

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

an aggregation stage to load data to DRAM for the fields that are only requested

When we use $project stage, it loads whole document from disk to memory (if not in working set). Because of this, When we create a data model, We have to create separate collection if the field is not required in frequent access of data. Creating ...

Guest over 2 years ago in Performance & Optimization 0 Submitted

1 VOTE

Avoid truncating the query on the Atlas profiler or system.profile collection

Slow running queries that are captured in system.profile collection or on profiler page of Atlas are truncated if the query is too long. As an Application DBA, it would be difficult to analyse the query without figuring out the actual query. The c...

Guest almost 3 years ago in Performance & Optimization 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

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 about 3 years ago in Performance & Optimization 0 Submitted

1 VOTE

Improve sorting performance

Sorting always ends up doing a collection scan when the selected index for the find/match does meet the sort requirement. The sort effectively makes the performance worse by 15-25 times for the "matched" dataset which runs into 10s of thousands (n...

Guest about 3 years ago in Performance & Optimization 0 Submitted

1 VOTE

Build MongoDB with PGO

I would like to see support for PGO (and even LLVM Bolt) in the upstream. Would be awesome if MongoDB will distribute PGO-optimized binaries, so the users will be able to see an additional performance boost "for free". At least describe to the use...

Guest over 3 years ago in Performance & Optimization 1 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

1 VOTE

Change stream total ordering within a transaction

Right now, change stream will flatten out a transaction into individual operations, i.e., if we do two operations within a transaction, change stream will generate two events. However there is no total ordering of the events that happens within t...

Guest over 3 years ago in Kafka Connector 0 Submitted

1 VOTE

Boost the performance of bioinformatic annotation queries

The documents to be selected look something like this: { "_id": { "$oid": "6272c580d4400d8cb10d5406" }, "#CHROM": 1, "POS": 286747, "ID": "rs369556846", "REF": "A", "ALT": "G", "QUAL": ".", "FILTER": ".", "INFO": [{ "RS": 369556846, ...

Guest almost 4 years ago in Performance & Optimization 0 Submitted

Please enter your email address

FILTER BY CATEGORY