Time series data management in smart home systems: balancing real-time analytics and data storage

Authors

  • M.V. Talakh Yuriy Fedkovych Chernivtsi National University
  • V.V. Dvorzhak Yuriy Fedkovych Chernivtsi National University
  • Yu.O. Ushenko Yuriy Fedkovych Chernivtsi National University

DOI:

https://doi.org/10.31649/1681-7893-2025-50-2-54-61

Keywords:

time series data, smart home systems, IoT, real-time analytics, historical data storage, hybrid database architecture, data optimization, NoSQL, relational databases, big data management

Abstract

The article presents a novel approach to managing time-series data in smart home systems that balances real-time analytics with efficient historical data storage. A hybrid architecture combining Azure CosmosDB for real-time data processing and Azure Synapse for historical data analytics demonstrates significant performance advantages. The system achieves up to 165-fold acceleration in analytical query execution (from 3.3 seconds to 20 milliseconds for time-series aggregation queries) while reducing the number of read operations by 17. Implementing optimization strategies, such as state-based recording and interval-based storage, significantly reduces data volume while maintaining temporal data integrity. The system demonstrates linear scalability, handling up to 1 million write operations per second, and achieves compression ratios of up to 5:1 in CosmosDB and 10:1 in Synapse.

Author Biographies

M.V. Talakh, Yuriy Fedkovych Chernivtsi National University

Ph.D., assistant professor of Computer Science Department

V.V. Dvorzhak, Yuriy Fedkovych Chernivtsi National University

Ph.D., assistant professor of Computer Science Department

Yu.O. Ushenko, Yuriy Fedkovych Chernivtsi National University

DSc., Professor, Head of Computer Science Department

References

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Published

2026-01-12

How to Cite

[1]
M. Talakh, V. Dvorzhak, and Y. Ushenko, “Time series data management in smart home systems: balancing real-time analytics and data storage”, Опт-ел. інф-енерг. техн., vol. 50, no. 2, pp. 54–61, Jan. 2026.

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Section

OptoElectronic/Digital Methods and Systems for Image/Signal Processing

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