What is the libuv thread pool used for in Node.js and what is its default size?

Node.js Developer Hard

Node.js Developer — Hard

What is the libuv thread pool used for in Node.js and what is its default size?

Key points

  • The libuv thread pool in Node.js is specifically used for async operations that cannot be done with OS async APIs.
  • Examples of operations handled by the libuv thread pool include DNS lookups, file system calls, and crypto functions.
  • The default size of the libuv thread pool is 4 threads.

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