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Tactic: Merge Overloaded Microservices to Reduce Energy Waste
Tactic sort:
Awesome Tactic
Type: Architectural Tactic
Category: resource-adaptation
Title
Merge Overloaded Microservices to Reduce Energy Waste
Description
Merge overloaded microservices into fewer, more balanced ones to reduce unnecessary inter-service communication and idle resource use. This helps lower energy consumption and latency, especially in large-scale systems under high load.
Participant
Software architects and backend developers
Related software artifact
Microservice-based system
Context
Large-scale systems with fluctuating or heavy workloads
Software feature
Service decomposition and workload distribution
Tactic intent
Reduce energy waste caused by poor service granularity and overloaded services
Target quality attribute
Energy efficiency
Other related quality attributes
Performance (response time), Scalability
Measured impact
Fine-grained designs consumed 13% more energy and increased response time by 14% compared to coarse designs. Under high load, energy use rose by 23% and response times by 98%.
Source
Yiming Zhao, Tiziano De Matteis, Justus Bogner (2025). 'How Does Microservice Granularity Impact Energy Consumption and Performance? A Controlled Experiment.' (DOI: https://doi.org/10.1109/ICSA65012.2025.00018)Graphical representation
