Run nodejs function periodically without memory leak?

Question

JavaScript

It is necessary to store a number in mongo every second. How to implement it?
Wrote a simple function:

function test_save(){
  var item = new Testmodel({
    data: 123
  });

  item.save(function(err, item){
    if(err)throw(err);
    setTimeout(test_save, 1000);
  });
}

I tried to save via setInterval / setTimeout, everything works, but there is a memory leak due to which everything then crashes. Is it possible to somehow clean setTimeout without interrupting the recording?
Or maybe there is something radically different that will help me Periodically run a function without leaking memory?

Answer 1

use pm2