If your app goes viral, the development and operations teams don't need to stress. I've never been a fan of managing infrastructure, so I decided to build the Social Stats app using a serverless architecture. MongoDB Atlas offers several serverless cloud services – including Atlas Data API,...
Namespace Insights tracks collection-level query latency in MongoDB Atlas, offering visibility into latency metrics and statistics for specific hosts and operation types (all operation types, reads, writes, and commands). Users can manage pinned namespaces (i.e. collections, in this context) ...
1. Tailing the MongoDB Oplog At the heart of MongoDB’s native replication system is theoplog (operation log), a capped collection that logs every write operation—insert, update, and delete—performed on your MongoDB cluster. By tailing the oplog, you can stream CDC events from the source...
MongoDB Setup: Connecting to Data Sources To query document databases, we need to install the MongoDB server. Here are the platform-specific instructions: For Windows, follow the instructions on this link. For Unix-like systems, you can install MongoDB from the terminal: $ sudo apt-get insta...
Now that we have understood what Unique Constraint in MongoDB, let us learn the standard syntax to write this Unique method. db.collection_name.createIndex( {field_name : 1} , {unqiue : true} ) Explanation:Now, as you can see in the above syntax, we have created a simple index, whic...
Querying Special BSON Data Types, UUID, BinData, DBRef... To query values of these particular BSON Data types, write the values as you would in the MongoDB shell. All MongoDB build-in Data Types functions are available. 1 2 3
Free disk space– refers to the free space on the device MongoDB uses for data storage. You need to be sure that you have enough free space available on every MongoDB instance to allow for data growth. Disk latency– tells you about the write and disk latency, meaning the time needed ...
And that’s just one way of querying data in Studio 3T. There’s alsoIntelliShell, the built-in mongo shell with robust auto-completion;Aggregation Editor, the stage-by-stage aggregation query builder; andSQL Query, which lets you write SQL to query your MongoDB database. ...
Features of MongoDB include the following: Replication.A replica set is two or more MongoDB instances used to provide high availability. Replica sets are made of primary and secondary servers. The primary MongoDB server performs all the read and write operations, while the secondary replica keeps...
With MongoDB Compass, you can access most of the features the MongoDB database engine offers through an intuitive visual display. You can glance through the …