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Scheduled stepdown for smoother primary election

Stepdown is a great tool that allows us to keep clusters operating smoothly. We use it for example when we want to perform some maintenance work on the host where the primary is currently running, to perform a rolling upgrade, and in many other ca...

Guest almost 2 years ago in Replication & Sharding 0 Submitted

2 VOTE

Use dedicated interface for replication and balancing

Like many other big database system, MongoDB may support to specify dedicated interfaces for replication and/or for the balancer (sharding) Currently you can configure replication sets and shards members only by single hostname/IP-Address, i.e. *...

Wernfried Domscheit almost 4 years ago in Replication & Sharding 0 Submitted

1 VOTE

allow mongosync to migrate few field from source to destination for collection in database

right now mongosync will migrate all the fields from source to destination based on filter or non filter setting but there is no way to move few field out of all field for all document to migrate few field from source to destination for collect...

Dasharath Dixit almost 2 years ago in Replication & Sharding 0 Submitted

2 VOTE

Ability to replicate the data within a cluster to another cluster

Two different scenarios. One scenario is to have a DR cluster. 2 independant clusters that are one way synced. As of right now, a custom CDC solution (custom code + Kafka) is needed to achieve this. Another is because of latency and the requirem...

Guest over 4 years ago in Replication & Sharding 0 Submitted

1 VOTE

Allow disabling auto removal for capped collections

Capped collections work as a circular buffer - when adding new documents after the size limit is reached, old documents are removed. I would like to have an option for the collection, where this behavior can be changed - instead of removing old ...

Guest over 2 years ago in Storage & Transactions 0 Submitted

2 VOTE

Support for Transaction Savepoints (Nested Transactions)

The ability to partially rollback transactions to a specified point.

Guest over 5 years ago in Storage & Transactions 1 Submitted

1 VOTE

tail queries functionality

We'd like to log the underlying MongoDB queries issued against the database. Similar to https://github.com/mrsarm/mongotail but something official

Guest almost 3 years ago in Storage & Transactions 0 Submitted

1 VOTE

Expose individual command execution time

Many MongoDB drivers currently expose events (CommandSucceededEvent say) which provide an elapsed time. However, that elapsed time is the round-trip time, which is not super useful as that can be measured by a programmer manually. It would be neat...

Guest almost 3 years ago in Storage & Transactions 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 about 3 years ago in Storage & Transactions 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 about 3 years ago in Replication & Sharding 0 Submitted

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