Answer
Starvation occurs when CPU-heavy tasks block the event loop. Detect via event loop delay, profiling, and async hooks. Prevent using worker threads or offloading computation to services.
Quick Answer
Event loop starvation happens when a CPU-intensive synchronous operation (heavy computation, large JSON parse, synchronous I/O) runs so long it prevents the event loop from processing other callbacks. The fix: break heavy CPU work into small chunks with setImmediate() between chunks, or move it entirely to a worker thread.
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