Why is VPS \ VDS RAM consumption growing?

Question

Node.js

There is an application on node,js + mongo, which parses a third-party api every second and writes the result to the database, and over time noticed that the buff / cache indicator is growing, can the project simply fall because of this in a few days?

Answer 1

the buff/cache indicator is growing, can this cause the project to simply fall in a few days

No, this is absolutely normal.
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