Glossary term
What is concurrency limit? Meaning for developers
A cap on how many tasks run at the same moment, so a fragile service is not overloaded.
Learn it properly · Node.js From ZeroLesson 7: Concurrency: Promises, Worker Threads, Clusters and Child ProcessesPromise.all and limits, CPU work in worker_threads, cluster and why containers often replace it, and a timed comparison.