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    deleteMany() execution automatically disable the balancer on sharded clusters

    deleteMany() execution automatically disable the balancer on sharded clusters
    Marco Barbierato about 1 year ago in Replication & Sharding 0 Submitted

    Provide a Debian 11.0 ARM 64 Crypt Shared library

    There is no ARM 64 version of the Crypt Shared library available for Debian 11.0 here: https://www.mongodb.com/download-center/enterprise/releases
    Guest about 3 years ago in FLE and Queryable Encryption 0 Submitted

    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

    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

    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

    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

    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

    Support $documents on shards

    The new aggregation operator $documents cannot be used together with $merge in a sharded cluster, you get an error: ``` db.aggregate([ { $documents: [ { _id: ObjectId("6616b08a610fab3e84d2d4ee"), a: 'foo', shardKey: 1 }, ] }, { $merge: { in...
    Wernfried Domscheit over 3 years ago in Replication & Sharding 0 Submitted

    Raise an error when "majority" writes not possible

    This topic is related to https://www.mongodb.com/docs/v6.0/tutorial/mitigate-psa-performance-issues/ in a PSA ReplicaSet configuration. When you try to execute a command with writeConcern `{w: "majority"}` in a three-member Primary-Secondary-Arbi...
    Wernfried Domscheit over 3 years ago in Replication & Sharding 0 Submitted

    URL Decode `readPreferenceTags`

    If a url encoded value is set to readPreferenceTags it will be ignored causing for instance connecting to analytics node impossible from tooling that correctly encodes the urls. It can look like this for instance: `readPreferenceTags=nodeType:ANA...
    Guest about 4 years ago in Replication & Sharding 0 Submitted