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    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

    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

    Support mongos + ops manager agents as a container sidecar

    No description provided
    Guest about 4 years ago in Performance & Optimization 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

    There is a specific collection that I need more performance than others. Is there a way to assign more ram/memory to a specific collection?

    There is a specific collection that I need more performance than others. Is there a way to assign more ram/memory to a specific collection?
    Guest over 4 years ago in Performance & Optimization 0 Submitted

    Shard Drain/ Removal issue

    If we have more shards, and if want to remove few shards (more than 1), we use below command. db.adminCommand( { removeShard : "Shardname" } ) Ex, if I have Shard 1, 2, 3, 4, 5. want to remove Shard 2 & 5. I want to remove one shard at a ...
    Guest over 4 years ago in Replication & Sharding 0 Submitted

    Mongo replicaset init sync issue

    When we have large size mongo replica set, we may have to take out each nodes for maintenance for few hrs or days. In that case we have to increase size of Oplog to keep several days of transactions to resync nodes after maintanance. If the RS h...
    Guest over 4 years ago in Replication & Sharding 0 Submitted