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Should be possible to configure profiling output destination

When enabling database profiling the output is sent to both the system.profile collection and system logs. Logging to a capped collection is fine but spamming the logs on disk is not good. We have a need to be able to react to changing query patt...

Guest over 2 years ago in Performance & Optimization 0 Submitted

3 VOTE

Allow the ability when NVME cluster to autoscale up based on CPU and Memory

To provide autoscaling capability for MongoDB NVME clusters based on CPU utilization and memory metrics. This feature would automatically provision additional resources when predefined thresholds are reached, ensuring optimal performance during us...

Guest about 1 year ago in Performance & Optimization 0 Submitted

1 VOTE

Search Node Metrics on prometheus

What problem are you trying to solve? Focus on the what and why of the need you have, not the how you'd like it solved. search node metrics are not included.Specifically missing: Search node memory usage Search node storage usage Searc...

Peter Do 4 months ago in Metrics & Observability 0 Planned

3 VOTE

Add support for all type of joins like Postgres has and improve performance

$lookup is a performance killer. Joins are crucial parts in every OLTP system. $lookup is the equivalent to join in SQL, however $lookup is slow, doesn't support hash joins or other efficient join algorithm implemented in Postgres for example. Se...

Guest over 1 year ago in Performance & Optimization 1 Submitted

6 VOTE

Implement $bucket and $group on indexed values with sub-linear runtime

We noticed that sum $bucket and $group aggregations such as $min, $max, $count are unexpectedly slow even when fully covered by an index, (partially) because the DB scans through the entire index rather than employing optimization approaches such ...

Guest about 3 years ago in Performance & Optimization 0 Submitted

1 VOTE

Filtering and Pagination in Atlas Admin API for Downloading DB Logs

We are working on Sentinel (SIEM tool by MSFT) integration. We are using Atlas Admin API to download logs and ingest into Sentinel. But as there is no option to filter the logs, we have to do it in our Sentinel solution and also burden the custome...

Guest 7 months ago in Metrics & Observability 0 Submitted

2 VOTE

Named MongoDB Connections

When a service is acting erroneously and generating hundreds or thousands of connections, it's currently difficult to determine which service is doing so when you have 30+ services connecting to MongoDB. My proposal is that we should be optionall...

Guest almost 2 years ago in Metrics & Observability 1 Submitted

1 VOTE

Provide a dictionary for matched/modified/deleted counts for bulk writes

Current bulk write operations provide only aggregated counts that look like this: ``` { acknowledged: true, insertedCount: 0, insertedIds: {}, matchedCount: 2, modifiedCount: 2, deletedCount: 0, upsertedCount: 0, upsertedIds: {} } ``` All ...

Guest about 1 year ago in Performance & Optimization 0 Submitted

1 VOTE

Execute $group on shardPart instead of mergerPart

Basically what is described here: https://www.mongodb.com/community/forums/t/how-to-enforce-mongodb-to-execute-group-on-shardpart-of-the-execution-plan/267560 When running covered count queries that could be aggregated independently on the shards...

Guest about 1 year ago in Performance & Optimization 0 Submitted

1 VOTE

Parallelize unionWith

Today $unionWith aggregation command is executed sequentially. EG first we query collection A and then collection B and then the union occurs. The process should be parallelized so the query part will run in parallel while the union will be done a...

Guest almost 2 years ago in Performance & Optimization 0 Submitted

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