Answer
The master process distributes incoming connections to workers. Uses round-robin on Linux and OS-level scheduling on Windows.
Quick Answer
cluster.loadBalance isn't a built-in API — cluster module uses round-robin (default on Linux/Mac) or OS-level distribution (on Windows) to assign connections to workers. Internally, the master process receives all TCP connections and passes them to worker processes via IPC. Each worker is an independent process with its own event loop.
S
SugharaIQ Editorial Team
Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.
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Source: SugharaIQ