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End-to-End Latency Optimization and Resource Trade-off Analysis in Large-Scale Real-Time Data Pipelines

  • Journal of The Korea Society of Computer and Information
  • Abbr : JKSCI
  • 2026, 31(5), pp.11~27
  • Publisher : The Korean Society Of Computer And Information
  • Research Area : Engineering > Computer Science
  • Received : April 17, 2026
  • Accepted : May 13, 2026
  • Published : May 29, 2026

Jiman Cha 1 Choong-hee Cho 1

1삼육대학교

Accredited

ABSTRACT

Large-scale services widely use distributed pipelines for real-time log processing. However, default buffering policies, although intended to protect system resources, can create bottlenecks that degrade real-time performance. This study constructed a large-scale distributed load environment and tracked end-to-end latency from log generation to final data warehouse loading at the millisecond level. Experiments were conducted across a five-stage optimization scenario by adjusting buffer sizes, wait times, and scan intervals. The results show that a low-latency configuration can reduce explicit buffering delay, but may increase packet-level overhead and degrade throughput. In contrast, the proposed hybrid configuration does not aim for absolute optimality in a single metric; instead, it applies cross-layer tuning to mitigate ingestion-layer traffic variability while minimizing downstream transmission delays. Under the evaluated conditions, the hybrid configuration achieved the lowest P95 latency, prevented pipeline collapse in micro-batch environments, and maintained throughput exceeding approximately 300 events per second.

Citation status

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