What to do if an array in a variable takes a lot of RAM?

Question

Node.js

There is an array of data

const array = [
    {
        a: "test", 
        b: "test", 
        c: "test", 
    }
    // ... 6200 elements
]

It takes more than 4GB of memory, I heard about node --max-old-space-size=32000 dist/index.jsit, but it's still not an option, since the array can reach up to 20k+ elements, is it possible to somehow optimize this?
(Data from the array is used all the time)

Answer 1

I read the file through without specifying the encoding

fs.readFile(path.join(__dirname, '..', '..', 'test.txt'))

And I wrote strings to an array as a buffer, as soon as I added an encoding specification, the problem was fixed

fs.readFile(path.join(__dirname, '..', '..', 'test.txt'), 'utf-8')

Answer 2

effective optimization of large volumes of data is done in databases ?? they are now for every taste and color ...
why reinvent your own wheel when everything has been knurled for a long time.