Replication & Sharding

Add an opt-in change stream mode to emit shard key–changing updates as delete + insert

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. CDC pipelines that read change streams on sharded collections often key target rows by documentKey (shard key + _id), beca...

ayla c 1 day ago in Replication & Sharding 0 Submitted

1 VOTE

Built-in command to relocate oplog / local database to a different filesystem path without node shutdown

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. Moving the oplog (the local database directory) to a different filesystem mount point currently requires a multi-step, per...

Joey Ferreira 25 days ago in Replication & Sharding 0 Future Consideration

4 VOTE

Allow direct access to shard cluster nodes via private link

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. On sharded clusters where we configure the connections via private links we loose access to individual shard cluster nodes...

Norberto Leite 7 months ago in Replication & Sharding 0 Future Consideration

2 VOTE

False Positive Oplog Threshold Alerts on Newly Provisioned MongoDB Clusters

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. We are observing an issue with false positive alerts related to the "Replication Oplog Window Minimum Threshold: 24 hours"...

Sagar Uttam Linge 5 months ago in Replication & Sharding 0 Future Consideration

21 VOTE

Bidirectional Data Replication beetween two or more clusters

In order to provide active-active deployments on multiple datacenter without need to shard data and route trafic based on shard-key. Develop a bidirectional replication with a conflict resolution method , for example , timestamp-based.

Guest about 5 years ago in Replication & Sharding 0 Submitted

14 VOTE

More complex balancer windows for sharded clusters

Currently we can define a single balancer window which is applied for every day of the week. It would useful to extend this with, for example: - multiple windows per day (e.g. 2-4am and 9-11pm) - custom windows for days of the week (e.g. Sat 5p...

Guest over 6 years ago in Replication & Sharding 0 Submitted

1 VOTE

oplogs.rs finder is extremely slow, gives "no results" and completely unusable.

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. What would you like to see happen? Describe the desired outcome or enhancement. Why is this important to yo...

Barnabás Bartha 6 months ago in Replication & Sharding 1 Future Consideration

2 VOTE

Per-Shard Change Stream and Triggers to improve scalable/performance/resilience

In our geo-sharded cluster, we use Change Streams and Atlas Triggers. Most of our pipelines include a match for the shard key - so we can process the data in the same region where the data resides. However, due to the design of change streams wit...

Boris Figovsky about 1 year ago in Database / Replication & Sharding 1 Submitted

9 VOTE

Data Replication from one MongoDB Cluster to another MongoDB Cluster

Create an option for the user to replicate data from one MongoDB Cluster to another MongoDB Cluster inside the account. We don't need to migrate data, I need replicate data from an Production Cluster to an Dev/Test Cluster. Thanks.

Guest over 5 years ago in Replication & Sharding 0 Submitted

1 VOTE

Support split horizons in a replicaset without TLS

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. Making it easier to use the split horizons feature What would you like to see happen? Describe the desired outcome ...

Segev Finer 8 months ago in Replication & Sharding 0 Submitted

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