How to optimize mongoose for memory and performance?
The Lean option tells Mongoose to skip hydration of the result documents. This makes queries faster and requires less memory, but the result documents are just plain old JavaScript objects (POJOs), not Mongoose documents.”
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Why are mongoose documents heavier than JavaScript objects?
Documents are much heavier than standard JavaScript objects, because they have a lot of internal state for tracking changes. Enabling the Lean option tells Mongoose to skip instantiating an entire Mongoose document and just provide you with the POJO. The Lean option tells Mongoose to skip hydration of the result documents.
What is the best way to curb memory loss?
Avoid saturated or trans fats. If you drink alcohol, limit your intake to one drink a day for women or two drinks a day for men. Be active at least five days a week for thirty minutes or more each day. A good way to maintain a healthy weight is to weigh yourself regularly.
How to test Node.js with Mongoose memory server?
Run npm init to set up your project, don’t worry about the test script yet, it’ll take care of that later. And then run the following commands to install all dependencies: Note: When installing mongodb-memory-server, the mongod binaries will be downloaded and installed in node_modules/.cache.
How to use mongoose method in angular?
The mongoose.model() method can be used to create a database model that allows documents to be accessed via API functions. For example, findOne() retrieves a single object from the database based on the search criteria. The code above takes an email address to look up a corresponding user.
How to start a MongoDB server in angular?
This source file will contain the entry point of the server application. Calling express() creates the app object app and uses various middlewares. The connection to the MongoDB database is established through Mongoose, listening on port 27017 by default. Once the connection is up and running, the listen() method starts the server.