Concept
Interrupt
A mechanism in LangGraph that allows pausing during the execution of a graph to wait for external input or human decisions. It is used in scenarios such as human review, confirmation of conditional branches, and dynamic parameter adjustment.
Timeline (last 90 days)
Oct 12
After NVMe SSDs became fast enough to respond at the microsecond level, the storage industry adopted polling instead of interrupts, having the CPU actively and frequently check the completion queue, sacrificing idle-time energy efficiency for determinism and throughput at low latency.
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